21791604

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25577}}^1$

素因数の和:25655

約数の個数: 24

約数和(自身を含む): 51565248

約数和(自身を除く): 29773644

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25577, 51154, 76731, 102308, 153462, 306924, 1815967, 3631934, 5447901, 7263868, 10895802, 21791604]

約数ペア:

[(1, 21791604), (2, 10895802), (3, 7263868), (4, 5447901), (6, 3631934), (12, 1815967), (71, 306924), (142, 153462), (213, 102308), (284, 76731), (426, 51154), (852, 25577)]