21000404880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1627}}^1$

素因数の和:1863

約数の個数: 480

約数和(自身を含む): 87295912704

約数和(自身を除く): 66295507824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 197, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 394, 420, 455, 468, 504, 520, 546, 560, 585, 591, 624, 630, 720, 728, 780, 788, 819, 840, 910, 936, 985, 1008, 1040, 1092, 1170, 1182, 1260, 1365, 1379, 1456, 1560, 1576, 1627, 1638, 1680, 1773, 1820, 1872, 1970, 2184, 2340, 2364, 2520, 2561, 2730, 2758, 2955, 3120, 3152, 3254, 3276, 3546, 3640, 3940, 4095, 4137, 4368, 4680, 4728, 4881, 5040, 5122, 5460, 5516, 5910, 6508, 6552, 6895, 7092, 7280, 7683, 7880, 8135, 8190, 8274, 8865, 9360, 9456, 9762, 10244, 10920, 11032, 11389, 11820, 12411, 12805, 13016, 13104, 13790, 14184, 14643, 15366, 15760, 16270, 16380, 16548, 17730, 17927, 19524, 20488, 20685, 21151, 21840, 22064, 22778, 23049, 23640, 24405, 24822, 25610, 26032, 27580, 28368, 29286, 30732, 32540, 32760, 33096, 34167, 35460, 35854, 38415, 39048, 40976, 41370, 42302, 45556, 46098, 47280, 48810, 49644, 51220, 53781, 55160, 56945, 58572, 61464, 62055, 63453, 65080, 65520, 66192, 68334, 70920, 71708, 73215, 76830, 78096, 82740, 84604, 89635, 91112, 92196, 97620, 99288, 102440, 102501, 105755, 107562, 110320, 113890, 115245, 117144, 122928, 124110, 126906, 130160, 136668, 141840, 143416, 146430, 148057, 153660, 161343, 165480, 169208, 170835, 179270, 182224, 184392, 190359, 195240, 198576, 204880, 205002, 211510, 215124, 227780, 230490, 234288, 248220, 253812, 268905, 273336, 286832, 292860, 296114, 307320, 317265, 320519, 322686, 330960, 338416, 341670, 358540, 368784, 380718, 390480, 410004, 423020, 430248, 444171, 455560, 460980, 496440, 507624, 512505, 537810, 546672, 585720, 592228, 614640, 634530, 641038, 645372, 683340, 717080, 740285, 761436, 806715, 820008, 846040, 860496, 888342, 911120, 921960, 951795, 961557, 992880, 1015248, 1025010, 1075620, 1171440, 1184456, 1269060, 1282076, 1290744, 1332513, 1366680, 1434160, 1480570, 1522872, 1602595, 1613430, 1640016, 1692080, 1776684, 1843920, 1903590, 1923114, 2050020, 2151240, 2220855, 2243633, 2368912, 2538120, 2564152, 2581488, 2665026, 2733360, 2884671, 2961140, 3045744, 3205190, 3226860, 3553368, 3807180, 3846228, 4100040, 4166747, 4302480, 4441710, 4487266, 4807785, 5076240, 5128304, 5330052, 5769342, 5922280, 6410380, 6453720, 6662565, 6730899, 7106736, 7614360, 7692456, 8200080, 8333494, 8883420, 8974532, 9615570, 10660104, 11218165, 11538684, 11844560, 12500241, 12820760, 12907440, 13325130, 13461798, 14423355, 15228720, 15384912, 16666988, 17766840, 17949064, 19231140, 20192697, 20833735, 21320208, 22436330, 23077368, 25000482, 25641520, 26650260, 26923596, 28846710, 29167229, 33333976, 33654495, 35533680, 35898128, 37500723, 38462280, 40385394, 41667470, 44872660, 46154736, 50000964, 53300520, 53847192, 57693420, 58334458, 62501205, 66667952, 67308990, 75001446, 76924560, 80770788, 83334940, 87501687, 89745320, 100001928, 100963485, 106601040, 107694384, 115386840, 116668916, 125002410, 134617980, 145836145, 150002892, 161541576, 166669880, 175003374, 179490640, 187503615, 200003856, 201926970, 230773680, 233337832, 250004820, 262505061, 269235960, 291672290, 300005784, 323083152, 333339760, 350006748, 375007230, 403853940, 437508435, 466675664, 500009640, 525010122, 538471920, 583344580, 600011568, 700013496, 750014460, 807707880, 875016870, 1000019280, 1050020244, 1166689160, 1312525305, 1400026992, 1500028920, 1615415760, 1750033740, 2100040488, 2333378320, 2625050610, 3000057840, 3500067480, 4200080976, 5250101220, 7000134960, 10500202440, 21000404880]

約数ペア:

[(1, 21000404880), (2, 10500202440), (3, 7000134960), (4, 5250101220), (5, 4200080976), (6, 3500067480), (7, 3000057840), (8, 2625050610), (9, 2333378320), (10, 2100040488), (12, 1750033740), (13, 1615415760), (14, 1500028920), (15, 1400026992), (16, 1312525305), (18, 1166689160), (20, 1050020244), (21, 1000019280), (24, 875016870), (26, 807707880), (28, 750014460), (30, 700013496), (35, 600011568), (36, 583344580), (39, 538471920), (40, 525010122), (42, 500009640), (45, 466675664), (48, 437508435), (52, 403853940), (56, 375007230), (60, 350006748), (63, 333339760), (65, 323083152), (70, 300005784), (72, 291672290), (78, 269235960), (80, 262505061), (84, 250004820), (90, 233337832), (91, 230773680), (104, 201926970), (105, 200003856), (112, 187503615), (117, 179490640), (120, 175003374), (126, 166669880), (130, 161541576), (140, 150002892), (144, 145836145), (156, 134617980), (168, 125002410), (180, 116668916), (182, 115386840), (195, 107694384), (197, 106601040), (208, 100963485), (210, 100001928), (234, 89745320), (240, 87501687), (252, 83334940), (260, 80770788), (273, 76924560), (280, 75001446), (312, 67308990), (315, 66667952), (336, 62501205), (360, 58334458), (364, 57693420), (390, 53847192), (394, 53300520), (420, 50000964), (455, 46154736), (468, 44872660), (504, 41667470), (520, 40385394), (546, 38462280), (560, 37500723), (585, 35898128), (591, 35533680), (624, 33654495), (630, 33333976), (720, 29167229), (728, 28846710), (780, 26923596), (788, 26650260), (819, 25641520), (840, 25000482), (910, 23077368), (936, 22436330), (985, 21320208), (1008, 20833735), (1040, 20192697), (1092, 19231140), (1170, 17949064), (1182, 17766840), (1260, 16666988), (1365, 15384912), (1379, 15228720), (1456, 14423355), (1560, 13461798), (1576, 13325130), (1627, 12907440), (1638, 12820760), (1680, 12500241), (1773, 11844560), (1820, 11538684), (1872, 11218165), (1970, 10660104), (2184, 9615570), (2340, 8974532), (2364, 8883420), (2520, 8333494), (2561, 8200080), (2730, 7692456), (2758, 7614360), (2955, 7106736), (3120, 6730899), (3152, 6662565), (3254, 6453720), (3276, 6410380), (3546, 5922280), (3640, 5769342), (3940, 5330052), (4095, 5128304), (4137, 5076240), (4368, 4807785), (4680, 4487266), (4728, 4441710), (4881, 4302480), (5040, 4166747), (5122, 4100040), (5460, 3846228), (5516, 3807180), (5910, 3553368), (6508, 3226860), (6552, 3205190), (6895, 3045744), (7092, 2961140), (7280, 2884671), (7683, 2733360), (7880, 2665026), (8135, 2581488), (8190, 2564152), (8274, 2538120), (8865, 2368912), (9360, 2243633), (9456, 2220855), (9762, 2151240), (10244, 2050020), (10920, 1923114), (11032, 1903590), (11389, 1843920), (11820, 1776684), (12411, 1692080), (12805, 1640016), (13016, 1613430), (13104, 1602595), (13790, 1522872), (14184, 1480570), (14643, 1434160), (15366, 1366680), (15760, 1332513), (16270, 1290744), (16380, 1282076), (16548, 1269060), (17730, 1184456), (17927, 1171440), (19524, 1075620), (20488, 1025010), (20685, 1015248), (21151, 992880), (21840, 961557), (22064, 951795), (22778, 921960), (23049, 911120), (23640, 888342), (24405, 860496), (24822, 846040), (25610, 820008), (26032, 806715), (27580, 761436), (28368, 740285), (29286, 717080), (30732, 683340), (32540, 645372), (32760, 641038), (33096, 634530), (34167, 614640), (35460, 592228), (35854, 585720), (38415, 546672), (39048, 537810), (40976, 512505), (41370, 507624), (42302, 496440), (45556, 460980), (46098, 455560), (47280, 444171), (48810, 430248), (49644, 423020), (51220, 410004), (53781, 390480), (55160, 380718), (56945, 368784), (58572, 358540), (61464, 341670), (62055, 338416), (63453, 330960), (65080, 322686), (65520, 320519), (66192, 317265), (68334, 307320), (70920, 296114), (71708, 292860), (73215, 286832), (76830, 273336), (78096, 268905), (82740, 253812), (84604, 248220), (89635, 234288), (91112, 230490), (92196, 227780), (97620, 215124), (99288, 211510), (102440, 205002), (102501, 204880), (105755, 198576), (107562, 195240), (110320, 190359), (113890, 184392), (115245, 182224), (117144, 179270), (122928, 170835), (124110, 169208), (126906, 165480), (130160, 161343), (136668, 153660), (141840, 148057), (143416, 146430)]