21486806537

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{508961}}^1$

素因数の和:509168

約数の個数: 16

約数和(自身を含む): 25374809472

約数和(自身を除く): 3888002935

約数列:

[1, 7, 37, 163, 259, 1141, 6031, 42217, 508961, 3562727, 18831557, 82960643, 131820899, 580724501, 3069543791, 21486806537]

約数ペア:

[(1, 21486806537), (7, 3069543791), (37, 580724501), (163, 131820899), (259, 82960643), (1141, 18831557), (6031, 3562727), (42217, 508961)]