21107570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{617}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 41648256

約数和(自身を除く): 20540686

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 617, 622, 1234, 1555, 3085, 3110, 3421, 6170, 6787, 6842, 13574, 17105, 33935, 34210, 67870, 191887, 383774, 959435, 1918870, 2110757, 4221514, 10553785, 21107570]

約数ペア:

[(1, 21107570), (2, 10553785), (5, 4221514), (10, 2110757), (11, 1918870), (22, 959435), (55, 383774), (110, 191887), (311, 67870), (617, 34210), (622, 33935), (1234, 17105), (1555, 13574), (3085, 6842), (3110, 6787), (3421, 6170)]