21031858179

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{15475981}}^1$

素因数の和:15476138

約数の個数: 12

約数和(自身を含む): 30580540432

約数和(自身を除く): 9548682253

約数列:

[1, 3, 9, 151, 453, 1359, 15475981, 46427943, 139283829, 2336873131, 7010619393, 21031858179]

約数ペア:

[(1, 21031858179), (3, 7010619393), (9, 2336873131), (151, 139283829), (453, 46427943), (1359, 15475981)]