21151570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11311}}^1$

素因数の和:11346

約数の個数: 32

約数和(自身を含む): 43981056

約数和(自身を除く): 22829486

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11311, 22622, 56555, 113110, 124421, 192287, 248842, 384574, 622105, 961435, 1244210, 1922870, 2115157, 4230314, 10575785, 21151570]

約数ペア:

[(1, 21151570), (2, 10575785), (5, 4230314), (10, 2115157), (11, 1922870), (17, 1244210), (22, 961435), (34, 622105), (55, 384574), (85, 248842), (110, 192287), (170, 124421), (187, 113110), (374, 56555), (935, 22622), (1870, 11311)]