21721031640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 1152

約数和(自身を含む): 97109176320

約数和(自身を除く): 75388144680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 24, 28, 30, 31, 33, 35, 36, 40, 42, 44, 45, 46, 49, 55, 56, 60, 62, 63, 66, 69, 70, 72, 77, 84, 88, 90, 92, 93, 98, 99, 105, 110, 115, 120, 124, 126, 132, 138, 140, 147, 154, 155, 157, 161, 165, 168, 180, 184, 186, 196, 198, 207, 210, 217, 220, 230, 231, 245, 248, 252, 253, 264, 276, 279, 280, 294, 308, 310, 314, 315, 322, 330, 341, 345, 360, 372, 385, 392, 396, 414, 420, 434, 440, 441, 460, 462, 465, 471, 483, 490, 495, 504, 506, 539, 552, 558, 588, 616, 620, 628, 630, 644, 651, 660, 682, 690, 693, 713, 735, 744, 759, 770, 785, 792, 805, 828, 840, 868, 882, 920, 924, 930, 942, 966, 980, 990, 1012, 1023, 1035, 1078, 1085, 1099, 1116, 1127, 1155, 1176, 1240, 1256, 1260, 1265, 1288, 1302, 1320, 1364, 1380, 1386, 1395, 1413, 1426, 1449, 1470, 1518, 1519, 1540, 1570, 1610, 1617, 1656, 1705, 1727, 1736, 1764, 1771, 1848, 1860, 1884, 1932, 1953, 1960, 1980, 2024, 2046, 2070, 2139, 2156, 2170, 2198, 2205, 2232, 2254, 2277, 2310, 2355, 2387, 2415, 2520, 2530, 2604, 2695, 2728, 2760, 2772, 2790, 2826, 2852, 2898, 2940, 3036, 3038, 3069, 3080, 3140, 3220, 3234, 3255, 3297, 3381, 3410, 3454, 3465, 3528, 3542, 3565, 3611, 3720, 3768, 3795, 3864, 3906, 3960, 4092, 4140, 4278, 4312, 4340, 4396, 4410, 4508, 4554, 4557, 4620, 4710, 4774, 4830, 4851, 4867, 4991, 5060, 5115, 5181, 5208, 5313, 5390, 5495, 5544, 5580, 5635, 5652, 5704, 5796, 5880, 6072, 6076, 6138, 6280, 6417, 6440, 6468, 6510, 6594, 6762, 6820, 6908, 6930, 7065, 7084, 7130, 7161, 7222, 7245, 7590, 7595, 7693, 7812, 7843, 8085, 8184, 8280, 8556, 8635, 8680, 8792, 8820, 8855, 9016, 9108, 9114, 9240, 9420, 9548, 9660, 9702, 9734, 9765, 9891, 9982, 10120, 10143, 10230, 10362, 10626, 10695, 10780, 10833, 10990, 11160, 11270, 11304, 11385, 11592, 11935, 12089, 12152, 12276, 12397, 12834, 12936, 13020, 13188, 13524, 13640, 13671, 13816, 13860, 14130, 14168, 14260, 14322, 14444, 14490, 14601, 14973, 15180, 15190, 15345, 15386, 15543, 15624, 15686, 15939, 16170, 16485, 16709, 16905, 17112, 17270, 17640, 17710, 18055, 18216, 18228, 18840, 19096, 19320, 19404, 19468, 19530, 19782, 19964, 20286, 20460, 20724, 21252, 21390, 21483, 21560, 21666, 21980, 22540, 22770, 22785, 23079, 23529, 23870, 24178, 24255, 24335, 24552, 24794, 24955, 25277, 25668, 25905, 26040, 26376, 26565, 27048, 27342, 27720, 28260, 28520, 28644, 28888, 28980, 29202, 29946, 30360, 30380, 30690, 30772, 31086, 31372, 31878, 32085, 32340, 32499, 32970, 33418, 33810, 34069, 34540, 34937, 35420, 35805, 36110, 36267, 36456, 37191, 38465, 38808, 38936, 39060, 39215, 39564, 39721, 39928, 40572, 40920, 41448, 42504, 42780, 42966, 43332, 43803, 43960, 44919, 45080, 45540, 45570, 46158, 47058, 47740, 48356, 48510, 48670, 49455, 49588, 49910, 50127, 50554, 50715, 51336, 51810, 53130, 53537, 54165, 54684, 54901, 56520, 57288, 57960, 58404, 59892, 60445, 60760, 61380, 61544, 61985, 62172, 62744, 63756, 64170, 64680, 64998, 65940, 66836, 67620, 68138, 68355, 69080, 69237, 69874, 70587, 70840, 71610, 72220, 72534, 73005, 74382, 74865, 75831, 76930, 77715, 78120, 78430, 79128, 79442, 79695, 81144, 83545, 84623, 85560, 85932, 86664, 87606, 89838, 91080, 91140, 92316, 94116, 95480, 96712, 97020, 97340, 98910, 99176, 99820, 100254, 101108, 101430, 102207, 103620, 104811, 106260, 107074, 107415, 108330, 108801, 109368, 109802, 111573, 111941, 115395, 116808, 117645, 119163, 119784, 120890, 122760, 123970, 124344, 126385, 127512, 128340, 129996, 131880, 133672, 135240, 136276, 136710, 138474, 139748, 141174, 143220, 144440, 145068, 146010, 148764, 149730, 150381, 151662, 153860, 155430, 156860, 158884, 159390, 160611, 162495, 164703, 167090, 169246, 170345, 171864, 174685, 175212, 176939, 179676, 181335, 182280, 184632, 185955, 188232, 194040, 194680, 197820, 198605, 199640, 200508, 202216, 202860, 204414, 207240, 209622, 212520, 214148, 214830, 216660, 217602, 219015, 219604, 223146, 223882, 224595, 227493, 230790, 235290, 238326, 238483, 241780, 247940, 250635, 252770, 253869, 256680, 259992, 267685, 272552, 273420, 274505, 276948, 278047, 279496, 282348, 286440, 290136, 292020, 297528, 299460, 300762, 303324, 306621, 307720, 310860, 313720, 314433, 317768, 318780, 321222, 324990, 329406, 334180, 335823, 338492, 340690, 346185, 349370, 350424, 352935, 353878, 357489, 359352, 362670, 371910, 374759, 379155, 384307, 395640, 397210, 401016, 405720, 408828, 419244, 423115, 428296, 429660, 433320, 435204, 438030, 439208, 446292, 447764, 449190, 454986, 461580, 470580, 476652, 476966, 481833, 483560, 494109, 495880, 501270, 505540, 507738, 511035, 524055, 530817, 535370, 544005, 546840, 549010, 553896, 556094, 557865, 559705, 564696, 584040, 595815, 598920, 601524, 606648, 613242, 621720, 628866, 637560, 642444, 649980, 658812, 668360, 671646, 676984, 681380, 692370, 698740, 705870, 707756, 714978, 715449, 725340, 743820, 749518, 751905, 758310, 761607, 768614, 783587, 794420, 803055, 817656, 823515, 834141, 838488, 846230, 859320, 870408, 876060, 884695, 892584, 895528, 898380, 909972, 923160, 941160, 953304, 953932, 963666, 988218, 1002540, 1007469, 1011080, 1015476, 1022070, 1048110, 1061634, 1070740, 1088010, 1098020, 1112188, 1115730, 1119410, 1124277, 1137465, 1152921, 1191630, 1192415, 1203048, 1226484, 1231351, 1257732, 1269345, 1284888, 1299960, 1317624, 1343292, 1362760, 1384740, 1390235, 1397480, 1411740, 1415512, 1429956, 1430898, 1450680, 1487640, 1499036, 1503810, 1516620, 1523214, 1533105, 1537228, 1567174, 1572165, 1588840, 1592451, 1606110, 1647030, 1668282, 1679115, 1692460, 1752120, 1769390, 1787445, 1796760, 1819944, 1873795, 1907864, 1921535, 1927332, 1946329, 1976436, 2005080, 2014938, 2030952, 2044140, 2096220, 2123268, 2141480, 2146347, 2176020, 2196040, 2224376, 2231460, 2238820, 2248554, 2274930, 2305842, 2350761, 2383260, 2384830, 2409165, 2452968, 2462702, 2470545, 2502423, 2515464, 2538690, 2623313, 2654085, 2686584, 2769480, 2780470, 2823480, 2859912, 2861796, 2998072, 3007620, 3033240, 3046428, 3066210, 3074456, 3134348, 3144330, 3184902, 3212220, 3294060, 3336564, 3358230, 3372831, 3384920, 3458763, 3538780, 3574890, 3577245, 3694053, 3747590, 3808035, 3843070, 3854664, 3892658, 3917935, 3952872, 4029876, 4088280, 4170705, 4192440, 4246536, 4292694, 4352040, 4462920, 4477640, 4497108, 4549860, 4611684, 4701522, 4766520, 4769660, 4818330, 4925404, 4941090, 5004846, 5037345, 5077380, 5246626, 5308170, 5485109, 5560940, 5621385, 5723592, 5764605, 5838987, 6015240, 6092856, 6132420, 6156755, 6268696, 6288660, 6369804, 6424440, 6588120, 6673128, 6716460, 6745662, 6917526, 7052283, 7077560, 7149780, 7154490, 7388106, 7495180, 7616070, 7686140, 7785316, 7835870, 7869939, 7962255, 8059752, 8341410, 8585388, 8619457, 8994216, 9099720, 9223368, 9403044, 9539320, 9636660, 9731645, 9850808, 9882180, 10009692, 10074690, 10154760, 10493252, 10616340, 10731735, 10970218, 11082159, 11121880, 11242770, 11529210, 11677974, 11753805, 12264840, 12313510, 12512115, 12577320, 12739608, 13116565, 13432920, 13491324, 13835052, 14104566, 14299560, 14308980, 14776212, 14990360, 15232140, 15372280, 15570632, 15671740, 15739878, 15924510, 16455327, 16682820, 16864155, 17170776, 17238914, 17293815, 17516961, 18470265, 18806088, 19273320, 19463290, 19764360, 20019384, 20149380, 20986504, 21232680, 21463470, 21940436, 22164318, 22485540, 23058420, 23355948, 23507610, 23609817, 24627020, 25024230, 25858371, 26233130, 26982648, 27425545, 27670104, 28209132, 28617960, 29194935, 29552424, 30464280, 31343480, 31479756, 31849020, 32910654, 33365640, 33728310, 34477828, 34587630, 35033922, 35261415, 36940530, 38926580, 39349695, 40298760, 42926940, 43097285, 43880872, 44328636, 44971080, 46116840, 46711896, 47015220, 47219634, 49254040, 49365981, 50048460, 51716742, 52466260, 54851090, 55410795, 56418264, 58389870, 60336199, 62959512, 63698040, 65821308, 67456620, 68955656, 69175260, 70067844, 70522830, 73881060, 77575113, 77853160, 78699390, 82276635, 85853880, 86194570, 87584805, 88657272, 94030440, 94439268, 98731962, 100096920, 103433484, 104932520, 109702180, 110821590, 116779740, 118049085, 120672398, 129291855, 131642616, 134913240, 138350520, 140135688, 141045660, 147762120, 155150226, 157398780, 164553270, 172389140, 175169610, 181008597, 188878536, 197463924, 206866968, 219404360, 221643180, 233559480, 236098170, 241344796, 246829905, 258583710, 282091320, 301680995, 310300452, 314797560, 329106540, 344778280, 350339220, 362017194, 387875565, 394927848, 443286360, 472196340, 482689592, 493659810, 517167420, 543025791, 603361990, 620600904, 658213080, 700678440, 724034388, 775751130, 905042985, 944392680, 987319620, 1034334840, 1086051582, 1206723980, 1448068776, 1551502260, 1810085970, 1974639240, 2172103164, 2413447960, 2715128955, 3103004520, 3620171940, 4344206328, 5430257910, 7240343880, 10860515820, 21721031640]

約数ペア:

[(1, 21721031640), (2, 10860515820), (3, 7240343880), (4, 5430257910), (5, 4344206328), (6, 3620171940), (7, 3103004520), (8, 2715128955), (9, 2413447960), (10, 2172103164), (11, 1974639240), (12, 1810085970), (14, 1551502260), (15, 1448068776), (18, 1206723980), (20, 1086051582), (21, 1034334840), (22, 987319620), (23, 944392680), (24, 905042985), (28, 775751130), (30, 724034388), (31, 700678440), (33, 658213080), (35, 620600904), (36, 603361990), (40, 543025791), (42, 517167420), (44, 493659810), (45, 482689592), (46, 472196340), (49, 443286360), (55, 394927848), (56, 387875565), (60, 362017194), (62, 350339220), (63, 344778280), (66, 329106540), (69, 314797560), (70, 310300452), (72, 301680995), (77, 282091320), (84, 258583710), (88, 246829905), (90, 241344796), (92, 236098170), (93, 233559480), (98, 221643180), (99, 219404360), (105, 206866968), (110, 197463924), (115, 188878536), (120, 181008597), (124, 175169610), (126, 172389140), (132, 164553270), (138, 157398780), (140, 155150226), (147, 147762120), (154, 141045660), (155, 140135688), (157, 138350520), (161, 134913240), (165, 131642616), (168, 129291855), (180, 120672398), (184, 118049085), (186, 116779740), (196, 110821590), (198, 109702180), (207, 104932520), (210, 103433484), (217, 100096920), (220, 98731962), (230, 94439268), (231, 94030440), (245, 88657272), (248, 87584805), (252, 86194570), (253, 85853880), (264, 82276635), (276, 78699390), (279, 77853160), (280, 77575113), (294, 73881060), (308, 70522830), (310, 70067844), (314, 69175260), (315, 68955656), (322, 67456620), (330, 65821308), (341, 63698040), (345, 62959512), (360, 60336199), (372, 58389870), (385, 56418264), (392, 55410795), (396, 54851090), (414, 52466260), (420, 51716742), (434, 50048460), (440, 49365981), (441, 49254040), (460, 47219634), (462, 47015220), (465, 46711896), (471, 46116840), (483, 44971080), (490, 44328636), (495, 43880872), (504, 43097285), (506, 42926940), (539, 40298760), (552, 39349695), (558, 38926580), (588, 36940530), (616, 35261415), (620, 35033922), (628, 34587630), (630, 34477828), (644, 33728310), (651, 33365640), (660, 32910654), (682, 31849020), (690, 31479756), (693, 31343480), (713, 30464280), (735, 29552424), (744, 29194935), (759, 28617960), (770, 28209132), (785, 27670104), (792, 27425545), (805, 26982648), (828, 26233130), (840, 25858371), (868, 25024230), (882, 24627020), (920, 23609817), (924, 23507610), (930, 23355948), (942, 23058420), (966, 22485540), (980, 22164318), (990, 21940436), (1012, 21463470), (1023, 21232680), (1035, 20986504), (1078, 20149380), (1085, 20019384), (1099, 19764360), (1116, 19463290), (1127, 19273320), (1155, 18806088), (1176, 18470265), (1240, 17516961), (1256, 17293815), (1260, 17238914), (1265, 17170776), (1288, 16864155), (1302, 16682820), (1320, 16455327), (1364, 15924510), (1380, 15739878), (1386, 15671740), (1395, 15570632), (1413, 15372280), (1426, 15232140), (1449, 14990360), (1470, 14776212), (1518, 14308980), (1519, 14299560), (1540, 14104566), (1570, 13835052), (1610, 13491324), (1617, 13432920), (1656, 13116565), (1705, 12739608), (1727, 12577320), (1736, 12512115), (1764, 12313510), (1771, 12264840), (1848, 11753805), (1860, 11677974), (1884, 11529210), (1932, 11242770), (1953, 11121880), (1960, 11082159), (1980, 10970218), (2024, 10731735), (2046, 10616340), (2070, 10493252), (2139, 10154760), (2156, 10074690), (2170, 10009692), (2198, 9882180), (2205, 9850808), (2232, 9731645), (2254, 9636660), (2277, 9539320), (2310, 9403044), (2355, 9223368), (2387, 9099720), (2415, 8994216), (2520, 8619457), (2530, 8585388), (2604, 8341410), (2695, 8059752), (2728, 7962255), (2760, 7869939), (2772, 7835870), (2790, 7785316), (2826, 7686140), (2852, 7616070), (2898, 7495180), (2940, 7388106), (3036, 7154490), (3038, 7149780), (3069, 7077560), (3080, 7052283), (3140, 6917526), (3220, 6745662), (3234, 6716460), (3255, 6673128), (3297, 6588120), (3381, 6424440), (3410, 6369804), (3454, 6288660), (3465, 6268696), (3528, 6156755), (3542, 6132420), (3565, 6092856), (3611, 6015240), (3720, 5838987), (3768, 5764605), (3795, 5723592), (3864, 5621385), (3906, 5560940), (3960, 5485109), (4092, 5308170), (4140, 5246626), (4278, 5077380), (4312, 5037345), (4340, 5004846), (4396, 4941090), (4410, 4925404), (4508, 4818330), (4554, 4769660), (4557, 4766520), (4620, 4701522), (4710, 4611684), (4774, 4549860), (4830, 4497108), (4851, 4477640), (4867, 4462920), (4991, 4352040), (5060, 4292694), (5115, 4246536), (5181, 4192440), (5208, 4170705), (5313, 4088280), (5390, 4029876), (5495, 3952872), (5544, 3917935), (5580, 3892658), (5635, 3854664), (5652, 3843070), (5704, 3808035), (5796, 3747590), (5880, 3694053), (6072, 3577245), (6076, 3574890), (6138, 3538780), (6280, 3458763), (6417, 3384920), (6440, 3372831), (6468, 3358230), (6510, 3336564), (6594, 3294060), (6762, 3212220), (6820, 3184902), (6908, 3144330), (6930, 3134348), (7065, 3074456), (7084, 3066210), (7130, 3046428), (7161, 3033240), (7222, 3007620), (7245, 2998072), (7590, 2861796), (7595, 2859912), (7693, 2823480), (7812, 2780470), (7843, 2769480), (8085, 2686584), (8184, 2654085), (8280, 2623313), (8556, 2538690), (8635, 2515464), (8680, 2502423), (8792, 2470545), (8820, 2462702), (8855, 2452968), (9016, 2409165), (9108, 2384830), (9114, 2383260), (9240, 2350761), (9420, 2305842), (9548, 2274930), (9660, 2248554), (9702, 2238820), (9734, 2231460), (9765, 2224376), (9891, 2196040), (9982, 2176020), (10120, 2146347), (10143, 2141480), (10230, 2123268), (10362, 2096220), (10626, 2044140), (10695, 2030952), (10780, 2014938), (10833, 2005080), (10990, 1976436), (11160, 1946329), (11270, 1927332), (11304, 1921535), (11385, 1907864), (11592, 1873795), (11935, 1819944), (12089, 1796760), (12152, 1787445), (12276, 1769390), (12397, 1752120), (12834, 1692460), (12936, 1679115), (13020, 1668282), (13188, 1647030), (13524, 1606110), (13640, 1592451), (13671, 1588840), (13816, 1572165), (13860, 1567174), (14130, 1537228), (14168, 1533105), (14260, 1523214), (14322, 1516620), (14444, 1503810), (14490, 1499036), (14601, 1487640), (14973, 1450680), (15180, 1430898), (15190, 1429956), (15345, 1415512), (15386, 1411740), (15543, 1397480), (15624, 1390235), (15686, 1384740), (15939, 1362760), (16170, 1343292), (16485, 1317624), (16709, 1299960), (16905, 1284888), (17112, 1269345), (17270, 1257732), (17640, 1231351), (17710, 1226484), (18055, 1203048), (18216, 1192415), (18228, 1191630), (18840, 1152921), (19096, 1137465), (19320, 1124277), (19404, 1119410), (19468, 1115730), (19530, 1112188), (19782, 1098020), (19964, 1088010), (20286, 1070740), (20460, 1061634), (20724, 1048110), (21252, 1022070), (21390, 1015476), (21483, 1011080), (21560, 1007469), (21666, 1002540), (21980, 988218), (22540, 963666), (22770, 953932), (22785, 953304), (23079, 941160), (23529, 923160), (23870, 909972), (24178, 898380), (24255, 895528), (24335, 892584), (24552, 884695), (24794, 876060), (24955, 870408), (25277, 859320), (25668, 846230), (25905, 838488), (26040, 834141), (26376, 823515), (26565, 817656), (27048, 803055), (27342, 794420), (27720, 783587), (28260, 768614), (28520, 761607), (28644, 758310), (28888, 751905), (28980, 749518), (29202, 743820), (29946, 725340), (30360, 715449), (30380, 714978), (30690, 707756), (30772, 705870), (31086, 698740), (31372, 692370), (31878, 681380), (32085, 676984), (32340, 671646), (32499, 668360), (32970, 658812), (33418, 649980), (33810, 642444), (34069, 637560), (34540, 628866), (34937, 621720), (35420, 613242), (35805, 606648), (36110, 601524), (36267, 598920), (36456, 595815), (37191, 584040), (38465, 564696), (38808, 559705), (38936, 557865), (39060, 556094), (39215, 553896), (39564, 549010), (39721, 546840), (39928, 544005), (40572, 535370), (40920, 530817), (41448, 524055), (42504, 511035), (42780, 507738), (42966, 505540), (43332, 501270), (43803, 495880), (43960, 494109), (44919, 483560), (45080, 481833), (45540, 476966), (45570, 476652), (46158, 470580), (47058, 461580), (47740, 454986), (48356, 449190), (48510, 447764), (48670, 446292), (49455, 439208), (49588, 438030), (49910, 435204), (50127, 433320), (50554, 429660), (50715, 428296), (51336, 423115), (51810, 419244), (53130, 408828), (53537, 405720), (54165, 401016), (54684, 397210), (54901, 395640), (56520, 384307), (57288, 379155), (57960, 374759), (58404, 371910), (59892, 362670), (60445, 359352), (60760, 357489), (61380, 353878), (61544, 352935), (61985, 350424), (62172, 349370), (62744, 346185), (63756, 340690), (64170, 338492), (64680, 335823), (64998, 334180), (65940, 329406), (66836, 324990), (67620, 321222), (68138, 318780), (68355, 317768), (69080, 314433), (69237, 313720), (69874, 310860), (70587, 307720), (70840, 306621), (71610, 303324), (72220, 300762), (72534, 299460), (73005, 297528), (74382, 292020), (74865, 290136), (75831, 286440), (76930, 282348), (77715, 279496), (78120, 278047), (78430, 276948), (79128, 274505), (79442, 273420), (79695, 272552), (81144, 267685), (83545, 259992), (84623, 256680), (85560, 253869), (85932, 252770), (86664, 250635), (87606, 247940), (89838, 241780), (91080, 238483), (91140, 238326), (92316, 235290), (94116, 230790), (95480, 227493), (96712, 224595), (97020, 223882), (97340, 223146), (98910, 219604), (99176, 219015), (99820, 217602), (100254, 216660), (101108, 214830), (101430, 214148), (102207, 212520), (103620, 209622), (104811, 207240), (106260, 204414), (107074, 202860), (107415, 202216), (108330, 200508), (108801, 199640), (109368, 198605), (109802, 197820), (111573, 194680), (111941, 194040), (115395, 188232), (116808, 185955), (117645, 184632), (119163, 182280), (119784, 181335), (120890, 179676), (122760, 176939), (123970, 175212), (124344, 174685), (126385, 171864), (127512, 170345), (128340, 169246), (129996, 167090), (131880, 164703), (133672, 162495), (135240, 160611), (136276, 159390), (136710, 158884), (138474, 156860), (139748, 155430), (141174, 153860), (143220, 151662), (144440, 150381), (145068, 149730), (146010, 148764)]