21928610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 43265664

約数和(自身を除く): 21337054

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 622, 641, 1282, 1555, 3110, 3205, 3421, 6410, 6842, 7051, 14102, 17105, 34210, 35255, 70510, 199351, 398702, 996755, 1993510, 2192861, 4385722, 10964305, 21928610]

約数ペア:

[(1, 21928610), (2, 10964305), (5, 4385722), (10, 2192861), (11, 1993510), (22, 996755), (55, 398702), (110, 199351), (311, 70510), (622, 35255), (641, 34210), (1282, 17105), (1555, 14102), (3110, 7051), (3205, 6842), (3421, 6410)]