21142521

素因数分解:

$3^2\times {\mathrm{1451}}^1\times {\mathrm{1619}}^1$

素因数の和:3076

約数の個数: 12

約数和(自身を含む): 30579120

約数和(自身を除く): 9436599

約数列:

[1, 3, 9, 1451, 1619, 4353, 4857, 13059, 14571, 2349169, 7047507, 21142521]

約数ペア:

[(1, 21142521), (3, 7047507), (9, 2349169), (1451, 14571), (1619, 13059), (4353, 4857)]