21125786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2083}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 34661088

約数和(自身を除く): 13535302

約数列:

[1, 2, 11, 22, 461, 922, 2083, 4166, 5071, 10142, 22913, 45826, 960263, 1920526, 10562893, 21125786]

約数ペア:

[(1, 21125786), (2, 10562893), (11, 1920526), (22, 960263), (461, 45826), (922, 22913), (2083, 10142), (4166, 5071)]