21041416

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21737}}^1$

素因数の和:21765

約数の個数: 24

約数和(自身を含む): 43367310

約数和(自身を除く): 22325894

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21737, 43474, 86948, 173896, 239107, 478214, 956428, 1912856, 2630177, 5260354, 10520708, 21041416]

約数ペア:

[(1, 21041416), (2, 10520708), (4, 5260354), (8, 2630177), (11, 1912856), (22, 956428), (44, 478214), (88, 239107), (121, 173896), (242, 86948), (484, 43474), (968, 21737)]