16421872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{23869}}^1$

素因数の和:23920

約数の個数: 20

約数和(自身を含む): 32558680

約数和(自身を除く): 16136808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 23869, 47738, 95476, 190952, 381904, 1026367, 2052734, 4105468, 8210936, 16421872]

約数ペア:

[(1, 16421872), (2, 8210936), (4, 4105468), (8, 2052734), (16, 1026367), (43, 381904), (86, 190952), (172, 95476), (344, 47738), (688, 23869)]