21163528

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{14779}}^1$

素因数の和:14964

約数の個数: 16

約数和(自身を含む): 39906000

約数和(自身を除く): 18742472

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 14779, 29558, 59116, 118232, 2645441, 5290882, 10581764, 21163528]

約数ペア:

[(1, 21163528), (2, 10581764), (4, 5290882), (8, 2645441), (179, 118232), (358, 59116), (716, 29558), (1432, 14779)]