21175335

素因数分解:

$3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{827}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 36812880

約数和(自身を除く): 15637545

約数列:

[1, 3, 5, 9, 15, 45, 569, 827, 1707, 2481, 2845, 4135, 5121, 7443, 8535, 12405, 25605, 37215, 470563, 1411689, 2352815, 4235067, 7058445, 21175335]

約数ペア:

[(1, 21175335), (3, 7058445), (5, 4235067), (9, 2352815), (15, 1411689), (45, 470563), (569, 37215), (827, 25605), (1707, 12405), (2481, 8535), (2845, 7443), (4135, 5121)]