21049418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27917}}^1$

素因数の和:27961

約数の個数: 16

約数和(自身を含む): 35176680

約数和(自身を除く): 14127262

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27917, 55834, 362921, 725842, 809593, 1619186, 10524709, 21049418]

約数ペア:

[(1, 21049418), (2, 10524709), (13, 1619186), (26, 809593), (29, 725842), (58, 362921), (377, 55834), (754, 27917)]