21290588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2113}}^1$

素因数の和:2357

約数の個数: 24

約数和(自身を含む): 40842480

約数和(自身を除く): 19551892

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2113, 2519, 4226, 5038, 8452, 10076, 23243, 46486, 92972, 483877, 967754, 1935508, 5322647, 10645294, 21290588]

約数ペア:

[(1, 21290588), (2, 10645294), (4, 5322647), (11, 1935508), (22, 967754), (44, 483877), (229, 92972), (458, 46486), (916, 23243), (2113, 10076), (2519, 8452), (4226, 5038)]