21920114

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5323}}^1$

素因数の和:5425

約数の個数: 16

約数和(自身を含む): 34499520

約数和(自身を除く): 12579406

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 5323, 10646, 154367, 308734, 377933, 755866, 10960057, 21920114]

約数ペア:

[(1, 21920114), (2, 10960057), (29, 755866), (58, 377933), (71, 308734), (142, 154367), (2059, 10646), (4118, 5323)]