21350528

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8779}}^1$

素因数の和:8812

約数の個数: 32

約数和(自身を含む): 44778000

約数和(自身を除く): 23427472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8779, 17558, 35116, 70232, 140464, 166801, 280928, 333602, 561856, 667204, 1123712, 1334408, 2668816, 5337632, 10675264, 21350528]

約数ペア:

[(1, 21350528), (2, 10675264), (4, 5337632), (8, 2668816), (16, 1334408), (19, 1123712), (32, 667204), (38, 561856), (64, 333602), (76, 280928), (128, 166801), (152, 140464), (304, 70232), (608, 35116), (1216, 17558), (2432, 8779)]