21817688

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{18061}}^1$

素因数の和:18218

約数の個数: 16

約数和(自身を含む): 41181360

約数和(自身を除く): 19363672

約数列:

[1, 2, 4, 8, 151, 302, 604, 1208, 18061, 36122, 72244, 144488, 2727211, 5454422, 10908844, 21817688]

約数ペア:

[(1, 21817688), (2, 10908844), (4, 5454422), (8, 2727211), (151, 144488), (302, 72244), (604, 36122), (1208, 18061)]