21352928

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10939}}^1$

素因数の和:11010

約数の個数: 24

約数和(自身を含む): 42731640

約数和(自身を除く): 21378712

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10939, 21878, 43756, 87512, 175024, 350048, 667279, 1334558, 2669116, 5338232, 10676464, 21352928]

約数ペア:

[(1, 21352928), (2, 10676464), (4, 5338232), (8, 2669116), (16, 1334558), (32, 667279), (61, 350048), (122, 175024), (244, 87512), (488, 43756), (976, 21878), (1952, 10939)]