21104062018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7880531}}^1$

素因数の和:7880649

約数の個数: 16

約数和(自身を含む): 34422163776

約数和(自身を除く): 13318101758

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7880531, 15761062, 102446903, 204893806, 811694693, 1623389386, 10552031009, 21104062018]

約数ペア:

[(1, 21104062018), (2, 10552031009), (13, 1623389386), (26, 811694693), (103, 204893806), (206, 102446903), (1339, 15761062), (2678, 7880531)]