21805454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3187}}^1$

素因数の和:3511

約数の個数: 16

約数和(自身を含む): 35807616

約数和(自身を除く): 14002162

約数列:

[1, 2, 11, 22, 311, 622, 3187, 3421, 6374, 6842, 35057, 70114, 991157, 1982314, 10902727, 21805454]

約数ペア:

[(1, 21805454), (2, 10902727), (11, 1982314), (22, 991157), (311, 70114), (622, 35057), (3187, 6842), (3421, 6374)]