21336045

素因数分解:

$3^1\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1879}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 34200960

約数和(自身を除く): 12864915

約数列:

[1, 3, 5, 15, 757, 1879, 2271, 3785, 5637, 9395, 11355, 28185, 1422403, 4267209, 7112015, 21336045]

約数ペア:

[(1, 21336045), (3, 7112015), (5, 4267209), (15, 1422403), (757, 28185), (1879, 11355), (2271, 9395), (3785, 5637)]