21402407936

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 264

約数和(自身を含む): 54638196480

約数和(自身を除く): 33235788544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 239, 248, 256, 364, 403, 416, 434, 448, 478, 496, 512, 728, 806, 832, 868, 896, 956, 961, 992, 1024, 1456, 1612, 1664, 1673, 1736, 1792, 1912, 1922, 1984, 2821, 2912, 3107, 3224, 3328, 3346, 3472, 3584, 3824, 3844, 3968, 5642, 5824, 6214, 6448, 6656, 6692, 6727, 6944, 7168, 7409, 7648, 7688, 7936, 11284, 11648, 12428, 12493, 12896, 13312, 13384, 13454, 13888, 14818, 15296, 15376, 15872, 21749, 22568, 23296, 24856, 24986, 25792, 26768, 26908, 27776, 29636, 30592, 30752, 31744, 43498, 45136, 46592, 49712, 49972, 51584, 51863, 53536, 53816, 55552, 59272, 61184, 61504, 86996, 87451, 90272, 93184, 96317, 99424, 99944, 103168, 103726, 107072, 107632, 111104, 118544, 122368, 123008, 173992, 174902, 180544, 192634, 198848, 199888, 206336, 207452, 214144, 215264, 222208, 229679, 237088, 244736, 246016, 347984, 349804, 361088, 385268, 397696, 399776, 412672, 414904, 428288, 430528, 459358, 474176, 492032, 674219, 695968, 699608, 722176, 770536, 795392, 799552, 829808, 856576, 861056, 918716, 948352, 984064, 1348438, 1391936, 1399216, 1444352, 1541072, 1590784, 1599104, 1607753, 1659616, 1713152, 1722112, 1837432, 1896704, 2696876, 2783872, 2798432, 2888704, 2985827, 3082144, 3181568, 3198208, 3215506, 3319232, 3444224, 3674864, 3793408, 5393752, 5567744, 5596864, 5971654, 6164288, 6396416, 6431012, 6638464, 6888448, 7349728, 7586816, 10787504, 11135488, 11193728, 11943308, 12328576, 12792832, 12862024, 13276928, 14699456, 20900789, 21575008, 22270976, 22387456, 23886616, 24657152, 25724048, 26553856, 29398912, 41801578, 43150016, 44774912, 47773232, 49314304, 51448096, 53107712, 58797824, 83603156, 86300032, 89549824, 95546464, 98628608, 102896192, 117595648, 167206312, 172600064, 191092928, 205792384, 235191296, 334412624, 345200128, 382185856, 411584768, 668825248, 690400256, 764371712, 823169536, 1337650496, 1528743424, 1646339072, 2675300992, 3057486848, 5350601984, 10701203968, 21402407936]

約数ペア:

[(1, 21402407936), (2, 10701203968), (4, 5350601984), (7, 3057486848), (8, 2675300992), (13, 1646339072), (14, 1528743424), (16, 1337650496), (26, 823169536), (28, 764371712), (31, 690400256), (32, 668825248), (52, 411584768), (56, 382185856), (62, 345200128), (64, 334412624), (91, 235191296), (104, 205792384), (112, 191092928), (124, 172600064), (128, 167206312), (182, 117595648), (208, 102896192), (217, 98628608), (224, 95546464), (239, 89549824), (248, 86300032), (256, 83603156), (364, 58797824), (403, 53107712), (416, 51448096), (434, 49314304), (448, 47773232), (478, 44774912), (496, 43150016), (512, 41801578), (728, 29398912), (806, 26553856), (832, 25724048), (868, 24657152), (896, 23886616), (956, 22387456), (961, 22270976), (992, 21575008), (1024, 20900789), (1456, 14699456), (1612, 13276928), (1664, 12862024), (1673, 12792832), (1736, 12328576), (1792, 11943308), (1912, 11193728), (1922, 11135488), (1984, 10787504), (2821, 7586816), (2912, 7349728), (3107, 6888448), (3224, 6638464), (3328, 6431012), (3346, 6396416), (3472, 6164288), (3584, 5971654), (3824, 5596864), (3844, 5567744), (3968, 5393752), (5642, 3793408), (5824, 3674864), (6214, 3444224), (6448, 3319232), (6656, 3215506), (6692, 3198208), (6727, 3181568), (6944, 3082144), (7168, 2985827), (7409, 2888704), (7648, 2798432), (7688, 2783872), (7936, 2696876), (11284, 1896704), (11648, 1837432), (12428, 1722112), (12493, 1713152), (12896, 1659616), (13312, 1607753), (13384, 1599104), (13454, 1590784), (13888, 1541072), (14818, 1444352), (15296, 1399216), (15376, 1391936), (15872, 1348438), (21749, 984064), (22568, 948352), (23296, 918716), (24856, 861056), (24986, 856576), (25792, 829808), (26768, 799552), (26908, 795392), (27776, 770536), (29636, 722176), (30592, 699608), (30752, 695968), (31744, 674219), (43498, 492032), (45136, 474176), (46592, 459358), (49712, 430528), (49972, 428288), (51584, 414904), (51863, 412672), (53536, 399776), (53816, 397696), (55552, 385268), (59272, 361088), (61184, 349804), (61504, 347984), (86996, 246016), (87451, 244736), (90272, 237088), (93184, 229679), (96317, 222208), (99424, 215264), (99944, 214144), (103168, 207452), (103726, 206336), (107072, 199888), (107632, 198848), (111104, 192634), (118544, 180544), (122368, 174902), (123008, 173992)]