21654116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2719}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 41583360

約数和(自身を除く): 19929244

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2719, 3982, 5438, 7964, 10876, 29909, 59818, 119636, 492139, 984278, 1968556, 5413529, 10827058, 21654116]

約数ペア:

[(1, 21654116), (2, 10827058), (4, 5413529), (11, 1968556), (22, 984278), (44, 492139), (181, 119636), (362, 59818), (724, 29909), (1991, 10876), (2719, 7964), (3982, 5438)]