21437081016

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1856989}}^1$

素因数の和:1857048

約数の個数: 64

約数和(自身を含む): 59275120800

約数和(自身を除く): 37838039784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1924, 2886, 3848, 5772, 11544, 1856989, 3713978, 5570967, 7427956, 11141934, 14855912, 22283868, 24140857, 44567736, 48281714, 68708593, 72422571, 96563428, 137417186, 144845142, 193126856, 206125779, 274834372, 289690284, 412251558, 549668744, 579380568, 824503116, 893211709, 1649006232, 1786423418, 2679635127, 3572846836, 5359270254, 7145693672, 10718540508, 21437081016]

約数ペア:

[(1, 21437081016), (2, 10718540508), (3, 7145693672), (4, 5359270254), (6, 3572846836), (8, 2679635127), (12, 1786423418), (13, 1649006232), (24, 893211709), (26, 824503116), (37, 579380568), (39, 549668744), (52, 412251558), (74, 289690284), (78, 274834372), (104, 206125779), (111, 193126856), (148, 144845142), (156, 137417186), (222, 96563428), (296, 72422571), (312, 68708593), (444, 48281714), (481, 44567736), (888, 24140857), (962, 22283868), (1443, 14855912), (1924, 11141934), (2886, 7427956), (3848, 5570967), (5772, 3713978), (11544, 1856989)]