21069268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4649}}^1$

素因数の和:4767

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 19553132

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4649, 9298, 18596, 51139, 102278, 204556, 478847, 957694, 1915388, 5267317, 10534634, 21069268]

約数ペア:

[(1, 21069268), (2, 10534634), (4, 5267317), (11, 1915388), (22, 957694), (44, 478847), (103, 204556), (206, 102278), (412, 51139), (1133, 18596), (2266, 9298), (4532, 4649)]