21353882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3121}}^1$

素因数の和:3445

約数の個数: 16

約数和(自身を含む): 35066304

約数和(自身を除く): 13712422

約数列:

[1, 2, 11, 22, 311, 622, 3121, 3421, 6242, 6842, 34331, 68662, 970631, 1941262, 10676941, 21353882]

約数ペア:

[(1, 21353882), (2, 10676941), (11, 1941262), (22, 970631), (311, 68662), (622, 34331), (3121, 6842), (3421, 6242)]