21586510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{631}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 42591744

約数和(自身を除く): 21005234

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 622, 631, 1262, 1555, 3110, 3155, 3421, 6310, 6842, 6941, 13882, 17105, 34210, 34705, 69410, 196241, 392482, 981205, 1962410, 2158651, 4317302, 10793255, 21586510]

約数ペア:

[(1, 21586510), (2, 10793255), (5, 4317302), (10, 2158651), (11, 1962410), (22, 981205), (55, 392482), (110, 196241), (311, 69410), (622, 34705), (631, 34210), (1262, 17105), (1555, 13882), (3110, 6941), (3155, 6842), (3421, 6310)]