21904228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10391}}^1$

素因数の和:10443

約数の個数: 24

約数和(自身を含む): 41900544

約数和(自身を除く): 19996316

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10391, 20782, 41564, 176647, 322121, 353294, 644242, 706588, 1288484, 5476057, 10952114, 21904228]

約数ペア:

[(1, 21904228), (2, 10952114), (4, 5476057), (17, 1288484), (31, 706588), (34, 644242), (62, 353294), (68, 322121), (124, 176647), (527, 41564), (1054, 20782), (2108, 10391)]