21000819840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 1024

約数和(自身を含む): 92123136000

約数和(自身を除く): 71122316160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 49, 52, 55, 56, 60, 64, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 98, 104, 105, 110, 112, 120, 128, 130, 132, 140, 143, 147, 154, 156, 160, 165, 168, 176, 182, 192, 195, 196, 208, 210, 220, 223, 224, 231, 240, 245, 260, 264, 273, 280, 286, 294, 308, 312, 320, 330, 336, 343, 352, 364, 384, 385, 390, 392, 416, 420, 429, 440, 446, 448, 455, 462, 480, 490, 520, 528, 539, 546, 560, 572, 588, 616, 624, 637, 640, 660, 669, 672, 686, 704, 715, 728, 735, 770, 780, 784, 832, 840, 858, 880, 892, 896, 910, 924, 960, 980, 1001, 1029, 1040, 1056, 1078, 1092, 1115, 1120, 1144, 1155, 1176, 1232, 1248, 1274, 1320, 1338, 1344, 1365, 1372, 1408, 1430, 1456, 1470, 1540, 1560, 1561, 1568, 1617, 1664, 1680, 1715, 1716, 1760, 1784, 1820, 1848, 1911, 1920, 1960, 2002, 2058, 2080, 2112, 2145, 2156, 2184, 2230, 2240, 2288, 2310, 2352, 2453, 2464, 2496, 2548, 2640, 2676, 2688, 2695, 2730, 2744, 2860, 2899, 2912, 2940, 3003, 3080, 3120, 3122, 3136, 3185, 3234, 3345, 3360, 3430, 3432, 3520, 3568, 3640, 3696, 3773, 3822, 3920, 4004, 4116, 4160, 4224, 4290, 4312, 4368, 4459, 4460, 4480, 4576, 4620, 4683, 4704, 4906, 4928, 4992, 5005, 5096, 5145, 5280, 5352, 5390, 5460, 5488, 5720, 5798, 5824, 5880, 6006, 6160, 6240, 6244, 6272, 6370, 6468, 6690, 6720, 6860, 6864, 7007, 7040, 7136, 7280, 7359, 7392, 7546, 7644, 7805, 7840, 8008, 8085, 8232, 8320, 8580, 8624, 8697, 8736, 8918, 8920, 9152, 9240, 9366, 9408, 9555, 9812, 9856, 10010, 10192, 10290, 10560, 10704, 10780, 10920, 10927, 10976, 11319, 11440, 11596, 11648, 11760, 12012, 12265, 12320, 12480, 12488, 12740, 12936, 13377, 13380, 13440, 13720, 13728, 14014, 14272, 14495, 14560, 14718, 14784, 15015, 15092, 15288, 15610, 15680, 16016, 16170, 16464, 17160, 17171, 17248, 17394, 17472, 17836, 17840, 18304, 18480, 18732, 18816, 18865, 19110, 19624, 20020, 20293, 20384, 20580, 21021, 21120, 21408, 21560, 21840, 21854, 21952, 22295, 22638, 22880, 23192, 23415, 23520, 24024, 24530, 24640, 24960, 24976, 25480, 25872, 26754, 26760, 27440, 27456, 28028, 28544, 28990, 29120, 29436, 29568, 30030, 30184, 30576, 31220, 31360, 31889, 32032, 32340, 32781, 32928, 34320, 34342, 34496, 34788, 34944, 35035, 35672, 35680, 36795, 36960, 37464, 37730, 38220, 39248, 40040, 40586, 40768, 41160, 42042, 42816, 43120, 43485, 43680, 43708, 43904, 44590, 45276, 45760, 46384, 46830, 47040, 48048, 49049, 49060, 49280, 49952, 50960, 51513, 51744, 53508, 53520, 54635, 54880, 54912, 56056, 56595, 57980, 58240, 58872, 60060, 60368, 60879, 61152, 62440, 63778, 64064, 64680, 65562, 65856, 66885, 68640, 68684, 68992, 69576, 70070, 71344, 71360, 73590, 73920, 74928, 75460, 76440, 76489, 78496, 80080, 81172, 81536, 82320, 84084, 85632, 85855, 86240, 86970, 87360, 87416, 89180, 90552, 91520, 92768, 93660, 94080, 95667, 96096, 98098, 98120, 99904, 101465, 101920, 103026, 103488, 105105, 107016, 107040, 109270, 109760, 112112, 113190, 115960, 117744, 120120, 120197, 120736, 121758, 122304, 124880, 127556, 128128, 129360, 131124, 131712, 133770, 137280, 137368, 139152, 140140, 142051, 142688, 142720, 147147, 147180, 147840, 149856, 150920, 152880, 152978, 156992, 159445, 160160, 162344, 163905, 164640, 168168, 171710, 172480, 173940, 174720, 174832, 178360, 181104, 185536, 187320, 191334, 192192, 196196, 196240, 199808, 202930, 203840, 206052, 206976, 210210, 214032, 214080, 218540, 219520, 223223, 224224, 226380, 229467, 231920, 235488, 240240, 240394, 241472, 243516, 244608, 245245, 249760, 255112, 257565, 258720, 262248, 267540, 274560, 274736, 278304, 280280, 284102, 285376, 294294, 294360, 299712, 301840, 304395, 305760, 305956, 313984, 318890, 320320, 324688, 327810, 329280, 336336, 343420, 344960, 347880, 349664, 356720, 360591, 362208, 371072, 374640, 382445, 382668, 384384, 392392, 392480, 405860, 407680, 412104, 420420, 426153, 428064, 428160, 437080, 446446, 448448, 452760, 458934, 463840, 470976, 478335, 480480, 480788, 482944, 487032, 490490, 499520, 510224, 515130, 517440, 524496, 535080, 549472, 556608, 560560, 568204, 570752, 588588, 588720, 599424, 600985, 603680, 608790, 611520, 611912, 637780, 640640, 649376, 655620, 658560, 669669, 672672, 686840, 695760, 699328, 710255, 713440, 721182, 724416, 735735, 749280, 764890, 765336, 784784, 784960, 811720, 824208, 840840, 841379, 852306, 856128, 874160, 892892, 896896, 905520, 917868, 927680, 941952, 956670, 960960, 961576, 974064, 980980, 994357, 999040, 1020448, 1030260, 1034880, 1048992, 1070160, 1098944, 1113216, 1116115, 1121120, 1136408, 1147335, 1177176, 1177440, 1201970, 1207360, 1217580, 1223040, 1223824, 1275560, 1298752, 1311240, 1339338, 1345344, 1373680, 1391520, 1398656, 1420510, 1426880, 1442364, 1448832, 1471470, 1498560, 1529780, 1530672, 1562561, 1569568, 1569920, 1623440, 1648416, 1681680, 1682758, 1704612, 1712256, 1748320, 1785784, 1802955, 1811040, 1835736, 1855360, 1913340, 1921920, 1923152, 1948128, 1961960, 1988714, 2040896, 2060520, 2097984, 2130765, 2140320, 2197888, 2232230, 2242240, 2272816, 2294670, 2354352, 2354880, 2403940, 2414720, 2435160, 2447648, 2524137, 2551120, 2597504, 2622480, 2678676, 2690688, 2747360, 2783040, 2841020, 2853760, 2884728, 2942940, 2983071, 2997120, 3059560, 3061344, 3125122, 3139136, 3246880, 3296832, 3348345, 3363360, 3365516, 3409224, 3496640, 3571568, 3605910, 3622080, 3671472, 3826680, 3846304, 3896256, 3923920, 3977428, 4081792, 4121040, 4195968, 4206895, 4261530, 4280640, 4464460, 4484480, 4545632, 4589340, 4687683, 4708704, 4709760, 4807880, 4870320, 4895296, 4971785, 5048274, 5102240, 5244960, 5357352, 5494720, 5566080, 5682040, 5769456, 5885880, 5966142, 6119120, 6122688, 6250244, 6278272, 6493760, 6593664, 6696690, 6726720, 6731032, 6818448, 6993280, 7143136, 7211820, 7244160, 7342944, 7653360, 7692608, 7792512, 7812805, 7847840, 7954856, 8242080, 8413790, 8523060, 8561280, 8928920, 9091264, 9178680, 9375366, 9417408, 9615760, 9740640, 9790592, 9943570, 10096548, 10204480, 10489920, 10714704, 10937927, 10989440, 11364080, 11538912, 11771760, 11932284, 12238240, 12245376, 12500488, 12620685, 12987520, 13393380, 13453440, 13462064, 13636896, 14286272, 14423640, 14685888, 14915355, 15306720, 15385216, 15625610, 15695680, 15909712, 16484160, 16827580, 17046120, 17857840, 18182528, 18357360, 18750732, 18834816, 19231520, 19481280, 19887140, 20193096, 20408960, 20979840, 21429408, 21875854, 22728160, 23077824, 23438415, 23543520, 23864568, 24476480, 25000976, 25241370, 26786760, 26924128, 27273792, 28572544, 28847280, 29371776, 29830710, 30613440, 31251220, 31391360, 31819424, 32813781, 32968320, 33655160, 34092240, 35715680, 36714720, 37501464, 38463040, 38962560, 39774280, 40386192, 42858816, 43751708, 45456320, 46155648, 46876830, 47087040, 47729136, 48952960, 50001952, 50482740, 53573520, 53848256, 54547584, 54689635, 57694560, 59661420, 61226880, 62502440, 63638848, 65627562, 67310320, 68184480, 71431360, 73429440, 75002928, 76926080, 79548560, 80772384, 85717632, 87503416, 90912640, 93753660, 94174080, 95458272, 100003904, 100965480, 107147040, 107696512, 109379270, 115389120, 119322840, 125004880, 127277696, 131255124, 134620640, 136368960, 142862720, 146858880, 150005856, 159097120, 161544768, 164068905, 175006832, 187507320, 190916544, 200007808, 201930960, 214294080, 218758540, 230778240, 238645680, 250009760, 262510248, 269241280, 272737920, 300011712, 318194240, 323089536, 328137810, 350013664, 375014640, 381833088, 403861920, 428588160, 437517080, 477291360, 500019520, 525020496, 538482560, 600023424, 636388480, 656275620, 700027328, 750029280, 807723840, 875034160, 954582720, 1000039040, 1050040992, 1312551240, 1400054656, 1500058560, 1615447680, 1750068320, 1909165440, 2100081984, 2625102480, 3000117120, 3500136640, 4200163968, 5250204960, 7000273280, 10500409920, 21000819840]

約数ペア:

[(1, 21000819840), (2, 10500409920), (3, 7000273280), (4, 5250204960), (5, 4200163968), (6, 3500136640), (7, 3000117120), (8, 2625102480), (10, 2100081984), (11, 1909165440), (12, 1750068320), (13, 1615447680), (14, 1500058560), (15, 1400054656), (16, 1312551240), (20, 1050040992), (21, 1000039040), (22, 954582720), (24, 875034160), (26, 807723840), (28, 750029280), (30, 700027328), (32, 656275620), (33, 636388480), (35, 600023424), (39, 538482560), (40, 525020496), (42, 500019520), (44, 477291360), (48, 437517080), (49, 428588160), (52, 403861920), (55, 381833088), (56, 375014640), (60, 350013664), (64, 328137810), (65, 323089536), (66, 318194240), (70, 300011712), (77, 272737920), (78, 269241280), (80, 262510248), (84, 250009760), (88, 238645680), (91, 230778240), (96, 218758540), (98, 214294080), (104, 201930960), (105, 200007808), (110, 190916544), (112, 187507320), (120, 175006832), (128, 164068905), (130, 161544768), (132, 159097120), (140, 150005856), (143, 146858880), (147, 142862720), (154, 136368960), (156, 134620640), (160, 131255124), (165, 127277696), (168, 125004880), (176, 119322840), (182, 115389120), (192, 109379270), (195, 107696512), (196, 107147040), (208, 100965480), (210, 100003904), (220, 95458272), (223, 94174080), (224, 93753660), (231, 90912640), (240, 87503416), (245, 85717632), (260, 80772384), (264, 79548560), (273, 76926080), (280, 75002928), (286, 73429440), (294, 71431360), (308, 68184480), (312, 67310320), (320, 65627562), (330, 63638848), (336, 62502440), (343, 61226880), (352, 59661420), (364, 57694560), (384, 54689635), (385, 54547584), (390, 53848256), (392, 53573520), (416, 50482740), (420, 50001952), (429, 48952960), (440, 47729136), (446, 47087040), (448, 46876830), (455, 46155648), (462, 45456320), (480, 43751708), (490, 42858816), (520, 40386192), (528, 39774280), (539, 38962560), (546, 38463040), (560, 37501464), (572, 36714720), (588, 35715680), (616, 34092240), (624, 33655160), (637, 32968320), (640, 32813781), (660, 31819424), (669, 31391360), (672, 31251220), (686, 30613440), (704, 29830710), (715, 29371776), (728, 28847280), (735, 28572544), (770, 27273792), (780, 26924128), (784, 26786760), (832, 25241370), (840, 25000976), (858, 24476480), (880, 23864568), (892, 23543520), (896, 23438415), (910, 23077824), (924, 22728160), (960, 21875854), (980, 21429408), (1001, 20979840), (1029, 20408960), (1040, 20193096), (1056, 19887140), (1078, 19481280), (1092, 19231520), (1115, 18834816), (1120, 18750732), (1144, 18357360), (1155, 18182528), (1176, 17857840), (1232, 17046120), (1248, 16827580), (1274, 16484160), (1320, 15909712), (1338, 15695680), (1344, 15625610), (1365, 15385216), (1372, 15306720), (1408, 14915355), (1430, 14685888), (1456, 14423640), (1470, 14286272), (1540, 13636896), (1560, 13462064), (1561, 13453440), (1568, 13393380), (1617, 12987520), (1664, 12620685), (1680, 12500488), (1715, 12245376), (1716, 12238240), (1760, 11932284), (1784, 11771760), (1820, 11538912), (1848, 11364080), (1911, 10989440), (1920, 10937927), (1960, 10714704), (2002, 10489920), (2058, 10204480), (2080, 10096548), (2112, 9943570), (2145, 9790592), (2156, 9740640), (2184, 9615760), (2230, 9417408), (2240, 9375366), (2288, 9178680), (2310, 9091264), (2352, 8928920), (2453, 8561280), (2464, 8523060), (2496, 8413790), (2548, 8242080), (2640, 7954856), (2676, 7847840), (2688, 7812805), (2695, 7792512), (2730, 7692608), (2744, 7653360), (2860, 7342944), (2899, 7244160), (2912, 7211820), (2940, 7143136), (3003, 6993280), (3080, 6818448), (3120, 6731032), (3122, 6726720), (3136, 6696690), (3185, 6593664), (3234, 6493760), (3345, 6278272), (3360, 6250244), (3430, 6122688), (3432, 6119120), (3520, 5966142), (3568, 5885880), (3640, 5769456), (3696, 5682040), (3773, 5566080), (3822, 5494720), (3920, 5357352), (4004, 5244960), (4116, 5102240), (4160, 5048274), (4224, 4971785), (4290, 4895296), (4312, 4870320), (4368, 4807880), (4459, 4709760), (4460, 4708704), (4480, 4687683), (4576, 4589340), (4620, 4545632), (4683, 4484480), (4704, 4464460), (4906, 4280640), (4928, 4261530), (4992, 4206895), (5005, 4195968), (5096, 4121040), (5145, 4081792), (5280, 3977428), (5352, 3923920), (5390, 3896256), (5460, 3846304), (5488, 3826680), (5720, 3671472), (5798, 3622080), (5824, 3605910), (5880, 3571568), (6006, 3496640), (6160, 3409224), (6240, 3365516), (6244, 3363360), (6272, 3348345), (6370, 3296832), (6468, 3246880), (6690, 3139136), (6720, 3125122), (6860, 3061344), (6864, 3059560), (7007, 2997120), (7040, 2983071), (7136, 2942940), (7280, 2884728), (7359, 2853760), (7392, 2841020), (7546, 2783040), (7644, 2747360), (7805, 2690688), (7840, 2678676), (8008, 2622480), (8085, 2597504), (8232, 2551120), (8320, 2524137), (8580, 2447648), (8624, 2435160), (8697, 2414720), (8736, 2403940), (8918, 2354880), (8920, 2354352), (9152, 2294670), (9240, 2272816), (9366, 2242240), (9408, 2232230), (9555, 2197888), (9812, 2140320), (9856, 2130765), (10010, 2097984), (10192, 2060520), (10290, 2040896), (10560, 1988714), (10704, 1961960), (10780, 1948128), (10920, 1923152), (10927, 1921920), (10976, 1913340), (11319, 1855360), (11440, 1835736), (11596, 1811040), (11648, 1802955), (11760, 1785784), (12012, 1748320), (12265, 1712256), (12320, 1704612), (12480, 1682758), (12488, 1681680), (12740, 1648416), (12936, 1623440), (13377, 1569920), (13380, 1569568), (13440, 1562561), (13720, 1530672), (13728, 1529780), (14014, 1498560), (14272, 1471470), (14495, 1448832), (14560, 1442364), (14718, 1426880), (14784, 1420510), (15015, 1398656), (15092, 1391520), (15288, 1373680), (15610, 1345344), (15680, 1339338), (16016, 1311240), (16170, 1298752), (16464, 1275560), (17160, 1223824), (17171, 1223040), (17248, 1217580), (17394, 1207360), (17472, 1201970), (17836, 1177440), (17840, 1177176), (18304, 1147335), (18480, 1136408), (18732, 1121120), (18816, 1116115), (18865, 1113216), (19110, 1098944), (19624, 1070160), (20020, 1048992), (20293, 1034880), (20384, 1030260), (20580, 1020448), (21021, 999040), (21120, 994357), (21408, 980980), (21560, 974064), (21840, 961576), (21854, 960960), (21952, 956670), (22295, 941952), (22638, 927680), (22880, 917868), (23192, 905520), (23415, 896896), (23520, 892892), (24024, 874160), (24530, 856128), (24640, 852306), (24960, 841379), (24976, 840840), (25480, 824208), (25872, 811720), (26754, 784960), (26760, 784784), (27440, 765336), (27456, 764890), (28028, 749280), (28544, 735735), (28990, 724416), (29120, 721182), (29436, 713440), (29568, 710255), (30030, 699328), (30184, 695760), (30576, 686840), (31220, 672672), (31360, 669669), (31889, 658560), (32032, 655620), (32340, 649376), (32781, 640640), (32928, 637780), (34320, 611912), (34342, 611520), (34496, 608790), (34788, 603680), (34944, 600985), (35035, 599424), (35672, 588720), (35680, 588588), (36795, 570752), (36960, 568204), (37464, 560560), (37730, 556608), (38220, 549472), (39248, 535080), (40040, 524496), (40586, 517440), (40768, 515130), (41160, 510224), (42042, 499520), (42816, 490490), (43120, 487032), (43485, 482944), (43680, 480788), (43708, 480480), (43904, 478335), (44590, 470976), (45276, 463840), (45760, 458934), (46384, 452760), (46830, 448448), (47040, 446446), (48048, 437080), (49049, 428160), (49060, 428064), (49280, 426153), (49952, 420420), (50960, 412104), (51513, 407680), (51744, 405860), (53508, 392480), (53520, 392392), (54635, 384384), (54880, 382668), (54912, 382445), (56056, 374640), (56595, 371072), (57980, 362208), (58240, 360591), (58872, 356720), (60060, 349664), (60368, 347880), (60879, 344960), (61152, 343420), (62440, 336336), (63778, 329280), (64064, 327810), (64680, 324688), (65562, 320320), (65856, 318890), (66885, 313984), (68640, 305956), (68684, 305760), (68992, 304395), (69576, 301840), (70070, 299712), (71344, 294360), (71360, 294294), (73590, 285376), (73920, 284102), (74928, 280280), (75460, 278304), (76440, 274736), (76489, 274560), (78496, 267540), (80080, 262248), (81172, 258720), (81536, 257565), (82320, 255112), (84084, 249760), (85632, 245245), (85855, 244608), (86240, 243516), (86970, 241472), (87360, 240394), (87416, 240240), (89180, 235488), (90552, 231920), (91520, 229467), (92768, 226380), (93660, 224224), (94080, 223223), (95667, 219520), (96096, 218540), (98098, 214080), (98120, 214032), (99904, 210210), (101465, 206976), (101920, 206052), (103026, 203840), (103488, 202930), (105105, 199808), (107016, 196240), (107040, 196196), (109270, 192192), (109760, 191334), (112112, 187320), (113190, 185536), (115960, 181104), (117744, 178360), (120120, 174832), (120197, 174720), (120736, 173940), (121758, 172480), (122304, 171710), (124880, 168168), (127556, 164640), (128128, 163905), (129360, 162344), (131124, 160160), (131712, 159445), (133770, 156992), (137280, 152978), (137368, 152880), (139152, 150920), (140140, 149856), (142051, 147840), (142688, 147180), (142720, 147147)]