21715563

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 29548800

約数和(自身を除く): 7833237

約数列:

[1, 3, 71, 213, 269, 379, 807, 1137, 19099, 26909, 57297, 80727, 101951, 305853, 7238521, 21715563]

約数ペア:

[(1, 21715563), (3, 7238521), (71, 305853), (213, 101951), (269, 80727), (379, 57297), (807, 26909), (1137, 19099)]