21041174

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12421}}^1$

素因数の和:12452

約数の個数: 24

約数和(自身を含む): 39651024

約数和(自身を除く): 18609850

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12421, 24842, 86947, 136631, 173894, 273262, 956417, 1502941, 1912834, 3005882, 10520587, 21041174]

約数ペア:

[(1, 21041174), (2, 10520587), (7, 3005882), (11, 1912834), (14, 1502941), (22, 956417), (77, 273262), (121, 173894), (154, 136631), (242, 86947), (847, 24842), (1694, 12421)]