21096081

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{29671}}^1$

素因数の和:29756

約数の個数: 12

約数和(自身を含む): 30858880

約数和(自身を除く): 9762799

約数列:

[1, 3, 9, 79, 237, 711, 29671, 89013, 267039, 2344009, 7032027, 21096081]

約数ペア:

[(1, 21096081), (3, 7032027), (9, 2344009), (79, 267039), (237, 89013), (711, 29671)]