21552220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37159}}^1$

素因数の和:37197

約数の個数: 24

約数和(自身を含む): 46821600

約数和(自身を除く): 25269380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37159, 74318, 148636, 185795, 371590, 743180, 1077611, 2155222, 4310444, 5388055, 10776110, 21552220]

約数ペア:

[(1, 21552220), (2, 10776110), (4, 5388055), (5, 4310444), (10, 2155222), (20, 1077611), (29, 743180), (58, 371590), (116, 185795), (145, 148636), (290, 74318), (580, 37159)]