21265402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11801}}^1$

素因数の和:11873

約数の個数: 16

約数和(自身を含む): 34414632

約数和(自身を除く): 13149230

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11801, 23602, 200617, 401234, 625453, 1250906, 10632701, 21265402]

約数ペア:

[(1, 21265402), (2, 10632701), (17, 1250906), (34, 625453), (53, 401234), (106, 200617), (901, 23602), (1802, 11801)]