21096531472

素因数分解:

$2^4\times {\mathrm{859}}^1\times {\mathrm{1534963}}^1$

素因数の和:1535830

約数の個数: 20

約数和(自身を含む): 40922140240

約数和(自身を除く): 19825608768

約数列:

[1, 2, 4, 8, 16, 859, 1718, 3436, 6872, 13744, 1534963, 3069926, 6139852, 12279704, 24559408, 1318533217, 2637066434, 5274132868, 10548265736, 21096531472]

約数ペア:

[(1, 21096531472), (2, 10548265736), (4, 5274132868), (8, 2637066434), (16, 1318533217), (859, 24559408), (1718, 12279704), (3436, 6139852), (6872, 3069926), (13744, 1534963)]