21331506815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1\times {\mathrm{217369}}^1$

素因数の和:218426

約数の個数: 16

約数和(自身を含む): 26971269600

約数和(自身を除く): 5639762785

約数列:

[1, 5, 19, 95, 1033, 5165, 19627, 98135, 217369, 1086845, 4130011, 20650055, 224542177, 1122710885, 4266301363, 21331506815]

約数ペア:

[(1, 21331506815), (5, 4266301363), (19, 1122710885), (95, 224542177), (1033, 20650055), (5165, 4130011), (19627, 1086845), (98135, 217369)]