21884276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 40726560

約数和(自身を除く): 18842284

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2851, 3838, 5702, 7676, 11404, 54169, 108338, 216676, 287951, 575902, 1151804, 5471069, 10942138, 21884276]

約数ペア:

[(1, 21884276), (2, 10942138), (4, 5471069), (19, 1151804), (38, 575902), (76, 287951), (101, 216676), (202, 108338), (404, 54169), (1919, 11404), (2851, 7676), (3838, 5702)]