21941845

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 26832960

約数和(自身を除く): 4891115

約数列:

[1, 5, 131, 139, 241, 655, 695, 1205, 18209, 31571, 33499, 91045, 157855, 167495, 4388369, 21941845]

約数ペア:

[(1, 21941845), (5, 4388369), (131, 167495), (139, 157855), (241, 91045), (655, 33499), (695, 31571), (1205, 18209)]