21265558

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:683

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 11082602

約数列:

[1, 2, 179, 191, 311, 358, 382, 622, 34189, 55669, 59401, 68378, 111338, 118802, 10632779, 21265558]

約数ペア:

[(1, 21265558), (2, 10632779), (179, 118802), (191, 111338), (311, 68378), (358, 59401), (382, 55669), (622, 34189)]