2109138529

素因数分解:

${\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{21559}}^1$

素因数の和:21868

約数の個数: 12

約数和(自身を含む): 2234305920

約数和(自身を除く): 125167391

約数列:

[1, 19, 271, 361, 5149, 21559, 97831, 409621, 5842489, 7782799, 111007291, 2109138529]

約数ペア:

[(1, 2109138529), (19, 111007291), (271, 7782799), (361, 5842489), (5149, 409621), (21559, 97831)]