21141676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4259}}^1$

素因数の和:4353

約数の個数: 24

約数和(自身を含む): 39720240

約数和(自身を除く): 18578564

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4259, 4964, 8518, 17036, 72403, 144806, 289612, 310907, 621814, 1243628, 5285419, 10570838, 21141676]

約数ペア:

[(1, 21141676), (2, 10570838), (4, 5285419), (17, 1243628), (34, 621814), (68, 310907), (73, 289612), (146, 144806), (292, 72403), (1241, 17036), (2482, 8518), (4259, 4964)]