21048184080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 960

約数和(自身を含む): 93712859136

約数和(自身を除く): 72664675056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 31, 33, 35, 36, 37, 40, 42, 44, 45, 48, 55, 56, 60, 62, 63, 66, 70, 72, 74, 77, 80, 84, 88, 90, 93, 99, 105, 110, 111, 112, 120, 124, 126, 132, 140, 144, 148, 154, 155, 165, 168, 176, 180, 185, 186, 198, 210, 217, 220, 222, 231, 240, 248, 252, 259, 264, 279, 280, 296, 308, 310, 315, 330, 331, 333, 336, 341, 360, 370, 372, 385, 396, 407, 420, 434, 440, 444, 462, 465, 495, 496, 504, 518, 528, 555, 558, 560, 592, 616, 620, 630, 651, 660, 662, 666, 682, 693, 720, 740, 744, 770, 777, 792, 814, 840, 868, 880, 888, 924, 930, 990, 993, 1008, 1023, 1036, 1085, 1110, 1116, 1147, 1155, 1221, 1232, 1240, 1260, 1295, 1302, 1320, 1324, 1332, 1364, 1386, 1395, 1480, 1488, 1540, 1554, 1584, 1628, 1655, 1665, 1680, 1705, 1736, 1776, 1848, 1860, 1953, 1980, 1986, 2035, 2046, 2072, 2170, 2220, 2232, 2294, 2310, 2317, 2331, 2387, 2442, 2480, 2520, 2590, 2604, 2640, 2648, 2664, 2728, 2772, 2790, 2849, 2960, 2979, 3069, 3080, 3108, 3255, 3256, 3310, 3330, 3410, 3441, 3465, 3472, 3641, 3663, 3696, 3720, 3885, 3906, 3960, 3972, 4070, 4092, 4144, 4340, 4440, 4464, 4588, 4620, 4634, 4662, 4774, 4884, 4965, 5040, 5115, 5180, 5208, 5296, 5328, 5456, 5544, 5580, 5698, 5735, 5958, 6105, 6138, 6160, 6216, 6510, 6512, 6620, 6660, 6820, 6882, 6930, 6951, 7161, 7282, 7326, 7440, 7770, 7812, 7920, 7944, 8029, 8140, 8184, 8547, 8680, 8880, 9176, 9240, 9268, 9324, 9548, 9765, 9768, 9930, 10230, 10261, 10323, 10360, 10416, 10923, 11088, 11160, 11396, 11470, 11585, 11655, 11916, 11935, 12210, 12247, 12276, 12432, 12617, 13020, 13240, 13320, 13640, 13764, 13860, 13902, 14245, 14322, 14564, 14652, 14895, 15345, 15540, 15624, 15888, 16058, 16280, 16368, 17094, 17205, 17360, 18205, 18315, 18352, 18480, 18536, 18648, 19096, 19530, 19536, 19860, 20460, 20522, 20646, 20720, 20853, 21483, 21846, 22320, 22792, 22940, 23170, 23310, 23832, 23870, 24087, 24420, 24494, 24552, 25234, 25487, 25641, 26040, 26480, 26640, 27280, 27528, 27720, 27804, 28490, 28644, 29128, 29304, 29790, 30690, 30783, 31080, 31248, 32116, 32560, 32769, 34188, 34410, 34755, 35805, 36410, 36630, 36741, 37072, 37296, 37851, 38192, 39060, 39720, 40145, 40920, 41044, 41292, 41706, 42735, 42966, 43692, 45584, 45880, 46340, 46620, 47664, 47740, 48174, 48840, 48988, 49104, 50468, 50974, 51282, 51305, 51615, 52080, 54615, 55056, 55440, 55608, 56980, 57288, 58256, 58608, 59580, 61235, 61380, 61566, 62160, 63085, 64232, 65538, 68376, 68820, 69510, 71610, 71827, 72261, 72820, 73260, 73482, 75702, 76461, 78120, 79440, 80290, 81840, 82088, 82584, 83412, 85470, 85729, 85932, 87384, 88319, 91760, 92349, 92680, 93240, 95480, 96348, 97680, 97976, 100936, 101948, 102564, 102610, 103230, 104265, 107415, 109230, 110223, 111216, 112871, 113553, 113960, 114576, 119160, 120435, 122470, 122760, 123132, 126170, 127435, 128205, 128464, 131076, 134717, 136752, 137640, 139020, 143220, 143654, 144522, 145640, 146520, 146964, 151404, 152922, 153915, 156240, 160580, 163845, 164176, 165168, 166824, 170940, 171458, 171864, 174768, 176638, 183705, 184698, 185360, 186480, 189255, 190960, 192696, 195952, 201872, 203896, 205128, 205220, 206460, 208530, 214830, 215481, 218460, 220446, 225742, 227106, 227920, 229383, 238320, 240870, 244940, 245520, 246264, 252340, 254870, 256410, 257187, 262152, 264957, 269434, 275280, 278040, 286440, 287308, 289044, 291280, 293040, 293928, 302808, 305844, 307830, 321160, 327690, 333648, 338613, 341880, 342916, 343728, 353276, 359135, 361305, 367410, 369396, 378510, 379657, 382305, 385392, 404151, 407792, 410256, 410440, 412920, 417060, 428645, 429660, 430962, 436920, 440892, 441595, 451484, 454212, 458766, 461745, 481740, 489880, 492528, 504680, 509740, 512820, 514374, 524304, 529914, 538868, 551115, 556080, 564355, 567765, 572880, 574616, 578088, 587856, 605616, 611688, 615660, 642320, 646443, 655380, 673585, 677226, 683760, 685832, 706552, 718270, 722610, 734820, 738792, 757020, 759314, 764610, 771561, 790097, 794871, 808302, 820880, 825840, 834120, 857290, 859320, 861924, 873840, 881784, 883190, 902968, 908424, 917532, 923490, 943019, 963480, 979760, 1009360, 1015839, 1019480, 1025640, 1028748, 1059828, 1077405, 1077736, 1102230, 1128710, 1135530, 1138971, 1146915, 1149232, 1156176, 1212453, 1223376, 1231320, 1285935, 1292886, 1310760, 1324785, 1347170, 1354452, 1371664, 1413104, 1436540, 1445220, 1469640, 1477584, 1514040, 1518628, 1529220, 1543122, 1580194, 1589742, 1616604, 1668240, 1693065, 1714580, 1718640, 1723848, 1763568, 1766380, 1805936, 1816848, 1835064, 1846980, 1886038, 1898285, 1926960, 2020755, 2031678, 2038960, 2051280, 2057496, 2119656, 2154810, 2155472, 2204460, 2257420, 2271060, 2277942, 2293830, 2370291, 2424906, 2462640, 2571870, 2585772, 2621520, 2649570, 2657599, 2694340, 2708904, 2829057, 2873080, 2890440, 2939280, 3028080, 3037256, 3058440, 3086244, 3160388, 3179484, 3232215, 3233208, 3386130, 3416913, 3429160, 3447696, 3532760, 3670128, 3693960, 3772076, 3796570, 3857805, 3950485, 3974355, 4041510, 4063356, 4114992, 4176227, 4239312, 4309620, 4408920, 4514840, 4542120, 4555884, 4587660, 4715095, 4740582, 4849812, 5079195, 5143740, 5171544, 5299140, 5315198, 5388680, 5417808, 5658114, 5694855, 5746160, 5780880, 6062265, 6074512, 6116880, 6172488, 6320776, 6358968, 6464430, 6466416, 6772260, 6833826, 6858320, 7065520, 7110873, 7387920, 7544152, 7593140, 7715610, 7900970, 7948710, 7972797, 8083020, 8126712, 8352454, 8487171, 8619240, 8817840, 9029680, 9084240, 9111768, 9175320, 9430190, 9481164, 9699624, 10158390, 10287480, 10343088, 10598280, 10630396, 10777360, 11316228, 11389710, 11851455, 12124530, 12344976, 12528681, 12641552, 12717936, 12928860, 13287995, 13544520, 13667652, 14145285, 14221746, 15088304, 15186280, 15431220, 15801940, 15897420, 15945594, 16166040, 16253424, 16704908, 16974342, 17084565, 17238480, 18223536, 18350640, 18860380, 18962328, 19399248, 20316780, 20574960, 20881135, 21196560, 21260792, 22632456, 22779420, 23702910, 23918391, 24249060, 25057362, 25857720, 26575990, 27089040, 27335304, 28290570, 28443492, 29233589, 30372560, 30862440, 31603880, 31794840, 31891188, 32332080, 33409816, 33948684, 34169130, 35554365, 37586043, 37720760, 37924656, 39863985, 40633560, 41762270, 42435855, 42521584, 45264912, 45558840, 47405820, 47836782, 48498120, 50114724, 51715440, 53151980, 54670608, 56581140, 56886984, 58467178, 61724880, 62643405, 63207760, 63589680, 63782376, 66819632, 67897368, 68338260, 71108730, 75172086, 75441520, 79727970, 81267120, 83524540, 84871710, 87700767, 91117680, 94811640, 95673564, 96996240, 100229448, 106303960, 113162280, 113773968, 116934356, 119591955, 125286810, 127564752, 135794736, 136676520, 142217460, 146167945, 150344172, 159455940, 167049080, 169743420, 175401534, 187930215, 189623280, 191347128, 200458896, 212607920, 226324560, 233868712, 239183910, 250573620, 263102301, 273353040, 284434920, 292335890, 300688344, 318911880, 334098160, 339486840, 350803068, 375860430, 382694256, 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約数ペア:

[(1, 21048184080), (2, 10524092040), (3, 7016061360), (4, 5262046020), (5, 4209636816), (6, 3508030680), (7, 3006883440), (8, 2631023010), (9, 2338687120), (10, 2104818408), (11, 1913471280), (12, 1754015340), (14, 1503441720), (15, 1403212272), (16, 1315511505), (18, 1169343560), (20, 1052409204), (21, 1002294480), (22, 956735640), (24, 877007670), (28, 751720860), (30, 701606136), (31, 678973680), (33, 637823760), (35, 601376688), (36, 584671780), (37, 568869840), (40, 526204602), (42, 501147240), (44, 478367820), (45, 467737424), (48, 438503835), (55, 382694256), (56, 375860430), (60, 350803068), (62, 339486840), (63, 334098160), (66, 318911880), (70, 300688344), (72, 292335890), (74, 284434920), (77, 273353040), (80, 263102301), (84, 250573620), (88, 239183910), (90, 233868712), (93, 226324560), (99, 212607920), (105, 200458896), (110, 191347128), (111, 189623280), (112, 187930215), (120, 175401534), (124, 169743420), (126, 167049080), (132, 159455940), (140, 150344172), (144, 146167945), (148, 142217460), (154, 136676520), (155, 135794736), (165, 127564752), (168, 125286810), (176, 119591955), (180, 116934356), (185, 113773968), (186, 113162280), (198, 106303960), (210, 100229448), (217, 96996240), (220, 95673564), (222, 94811640), (231, 91117680), (240, 87700767), (248, 84871710), (252, 83524540), (259, 81267120), (264, 79727970), (279, 75441520), (280, 75172086), (296, 71108730), (308, 68338260), (310, 67897368), (315, 66819632), (330, 63782376), (331, 63589680), (333, 63207760), (336, 62643405), (341, 61724880), (360, 58467178), (370, 56886984), (372, 56581140), (385, 54670608), (396, 53151980), (407, 51715440), (420, 50114724), (434, 48498120), (440, 47836782), (444, 47405820), (462, 45558840), (465, 45264912), (495, 42521584), (496, 42435855), (504, 41762270), (518, 40633560), (528, 39863985), (555, 37924656), (558, 37720760), (560, 37586043), (592, 35554365), (616, 34169130), (620, 33948684), (630, 33409816), (651, 32332080), (660, 31891188), (662, 31794840), (666, 31603880), (682, 30862440), (693, 30372560), (720, 29233589), (740, 28443492), (744, 28290570), (770, 27335304), (777, 27089040), (792, 26575990), (814, 25857720), (840, 25057362), (868, 24249060), (880, 23918391), (888, 23702910), (924, 22779420), (930, 22632456), (990, 21260792), (993, 21196560), (1008, 20881135), (1023, 20574960), (1036, 20316780), (1085, 19399248), (1110, 18962328), (1116, 18860380), (1147, 18350640), (1155, 18223536), (1221, 17238480), (1232, 17084565), (1240, 16974342), (1260, 16704908), (1295, 16253424), (1302, 16166040), (1320, 15945594), (1324, 15897420), (1332, 15801940), (1364, 15431220), (1386, 15186280), (1395, 15088304), (1480, 14221746), (1488, 14145285), (1540, 13667652), (1554, 13544520), (1584, 13287995), (1628, 12928860), (1655, 12717936), (1665, 12641552), (1680, 12528681), (1705, 12344976), (1736, 12124530), (1776, 11851455), (1848, 11389710), (1860, 11316228), (1953, 10777360), (1980, 10630396), (1986, 10598280), (2035, 10343088), (2046, 10287480), (2072, 10158390), (2170, 9699624), (2220, 9481164), (2232, 9430190), (2294, 9175320), (2310, 9111768), (2317, 9084240), (2331, 9029680), (2387, 8817840), (2442, 8619240), (2480, 8487171), (2520, 8352454), (2590, 8126712), (2604, 8083020), (2640, 7972797), (2648, 7948710), (2664, 7900970), (2728, 7715610), (2772, 7593140), (2790, 7544152), (2849, 7387920), (2960, 7110873), (2979, 7065520), (3069, 6858320), (3080, 6833826), (3108, 6772260), (3255, 6466416), (3256, 6464430), (3310, 6358968), (3330, 6320776), (3410, 6172488), (3441, 6116880), (3465, 6074512), (3472, 6062265), (3641, 5780880), (3663, 5746160), (3696, 5694855), (3720, 5658114), (3885, 5417808), (3906, 5388680), (3960, 5315198), (3972, 5299140), (4070, 5171544), (4092, 5143740), (4144, 5079195), (4340, 4849812), (4440, 4740582), (4464, 4715095), (4588, 4587660), (4620, 4555884), (4634, 4542120), (4662, 4514840), (4774, 4408920), (4884, 4309620), (4965, 4239312), (5040, 4176227), (5115, 4114992), (5180, 4063356), (5208, 4041510), (5296, 3974355), (5328, 3950485), (5456, 3857805), (5544, 3796570), (5580, 3772076), (5698, 3693960), (5735, 3670128), (5958, 3532760), (6105, 3447696), (6138, 3429160), (6160, 3416913), (6216, 3386130), (6510, 3233208), (6512, 3232215), (6620, 3179484), (6660, 3160388), (6820, 3086244), (6882, 3058440), (6930, 3037256), (6951, 3028080), (7161, 2939280), (7282, 2890440), (7326, 2873080), (7440, 2829057), (7770, 2708904), (7812, 2694340), (7920, 2657599), (7944, 2649570), (8029, 2621520), (8140, 2585772), (8184, 2571870), (8547, 2462640), (8680, 2424906), (8880, 2370291), (9176, 2293830), (9240, 2277942), (9268, 2271060), (9324, 2257420), (9548, 2204460), (9765, 2155472), (9768, 2154810), (9930, 2119656), (10230, 2057496), (10261, 2051280), (10323, 2038960), (10360, 2031678), (10416, 2020755), (10923, 1926960), (11088, 1898285), (11160, 1886038), (11396, 1846980), (11470, 1835064), (11585, 1816848), (11655, 1805936), (11916, 1766380), (11935, 1763568), (12210, 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825840), (25641, 820880), (26040, 808302), (26480, 794871), (26640, 790097), (27280, 771561), (27528, 764610), (27720, 759314), (27804, 757020), (28490, 738792), (28644, 734820), (29128, 722610), (29304, 718270), (29790, 706552), (30690, 685832), (30783, 683760), (31080, 677226), (31248, 673585), (32116, 655380), (32560, 646443), (32769, 642320), (34188, 615660), (34410, 611688), (34755, 605616), (35805, 587856), (36410, 578088), (36630, 574616), (36741, 572880), (37072, 567765), (37296, 564355), (37851, 556080), (38192, 551115), (39060, 538868), (39720, 529914), (40145, 524304), (40920, 514374), (41044, 512820), (41292, 509740), (41706, 504680), (42735, 492528), (42966, 489880), (43692, 481740), (45584, 461745), (45880, 458766), (46340, 454212), (46620, 451484), (47664, 441595), (47740, 440892), (48174, 436920), (48840, 430962), (48988, 429660), (49104, 428645), (50468, 417060), (50974, 412920), (51282, 410440), (51305, 410256), (51615, 407792), (52080, 404151), (54615, 385392), (55056, 382305), (55440, 379657), (55608, 378510), (56980, 369396), (57288, 367410), (58256, 361305), (58608, 359135), (59580, 353276), (61235, 343728), (61380, 342916), (61566, 341880), (62160, 338613), (63085, 333648), (64232, 327690), (65538, 321160), (68376, 307830), (68820, 305844), (69510, 302808), (71610, 293928), (71827, 293040), (72261, 291280), (72820, 289044), (73260, 287308), (73482, 286440), (75702, 278040), (76461, 275280), (78120, 269434), (79440, 264957), (80290, 262152), (81840, 257187), (82088, 256410), (82584, 254870), (83412, 252340), (85470, 246264), (85729, 245520), (85932, 244940), (87384, 240870), (88319, 238320), (91760, 229383), (92349, 227920), (92680, 227106), (93240, 225742), (95480, 220446), (96348, 218460), (97680, 215481), (97976, 214830), (100936, 208530), (101948, 206460), (102564, 205220), (102610, 205128), (103230, 203896), (104265, 201872), (107415, 195952), (109230, 192696), (110223, 190960), (111216, 189255), (112871, 186480), (113553, 185360), (113960, 184698), (114576, 183705), (119160, 176638), (120435, 174768), (122470, 171864), (122760, 171458), (123132, 170940), (126170, 166824), (127435, 165168), (128205, 164176), (128464, 163845), (131076, 160580), (134717, 156240), (136752, 153915), (137640, 152922), (139020, 151404), (143220, 146964), (143654, 146520), (144522, 145640)]