21923505

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3719}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 38301120

約数和(自身を除く): 16377615

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3719, 5895, 11157, 18595, 33471, 55785, 167355, 487189, 1461567, 2435945, 4384701, 7307835, 21923505]

約数ペア:

[(1, 21923505), (3, 7307835), (5, 4384701), (9, 2435945), (15, 1461567), (45, 487189), (131, 167355), (393, 55785), (655, 33471), (1179, 18595), (1965, 11157), (3719, 5895)]