21228493

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5119}}^1$

素因数の和:5172

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 4576307

約数列:

[1, 11, 13, 29, 143, 319, 377, 4147, 5119, 56309, 66547, 148451, 732017, 1632961, 1929863, 21228493]

約数ペア:

[(1, 21228493), (11, 1929863), (13, 1632961), (29, 732017), (143, 148451), (319, 66547), (377, 56309), (4147, 5119)]