21880443

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1217}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 31512096

約数和(自身を除く): 9631653

約数列:

[1, 3, 13, 39, 461, 1217, 1383, 3651, 5993, 15821, 17979, 47463, 561037, 1683111, 7293481, 21880443]

約数ペア:

[(1, 21880443), (3, 7293481), (13, 1683111), (39, 561037), (461, 47463), (1217, 17979), (1383, 15821), (3651, 5993)]