21339368

素因数分解:

$2^3\times {\mathrm{1201}}^1\times {\mathrm{2221}}^1$

素因数の和:3428

約数の個数: 16

約数和(自身を含む): 40062660

約数和(自身を除く): 18723292

約数列:

[1, 2, 4, 8, 1201, 2221, 2402, 4442, 4804, 8884, 9608, 17768, 2667421, 5334842, 10669684, 21339368]

約数ペア:

[(1, 21339368), (2, 10669684), (4, 5334842), (8, 2667421), (1201, 17768), (2221, 9608), (2402, 8884), (4442, 4804)]