21087503640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8368057}}^1$

素因数の和:8368081

約数の個数: 96

約数和(自身を含む): 78325022880

約数和(自身を除く): 57237519240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8368057, 16736114, 25104171, 33472228, 41840285, 50208342, 58576399, 66944456, 75312513, 83680570, 100416684, 117152798, 125520855, 150625026, 167361140, 175729197, 200833368, 234305596, 251041710, 292881995, 301250052, 334722280, 351458394, 376562565, 468611192, 502083420, 527187591, 585763990, 602500104, 702916788, 753125130, 878645985, 1004166840, 1054375182, 1171527980, 1405833576, 1506250260, 1757291970, 2108750364, 2343055960, 2635937955, 3012500520, 3514583940, 4217500728, 5271875910, 7029167880, 10543751820, 21087503640]

約数ペア:

[(1, 21087503640), (2, 10543751820), (3, 7029167880), (4, 5271875910), (5, 4217500728), (6, 3514583940), (7, 3012500520), (8, 2635937955), (9, 2343055960), (10, 2108750364), (12, 1757291970), (14, 1506250260), (15, 1405833576), (18, 1171527980), (20, 1054375182), (21, 1004166840), (24, 878645985), (28, 753125130), (30, 702916788), (35, 602500104), (36, 585763990), (40, 527187591), (42, 502083420), (45, 468611192), (56, 376562565), (60, 351458394), (63, 334722280), (70, 301250052), (72, 292881995), (84, 251041710), (90, 234305596), (105, 200833368), (120, 175729197), (126, 167361140), (140, 150625026), (168, 125520855), (180, 117152798), (210, 100416684), (252, 83680570), (280, 75312513), (315, 66944456), (360, 58576399), (420, 50208342), (504, 41840285), (630, 33472228), (840, 25104171), (1260, 16736114), (2520, 8368057)]