21045597

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1471}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 8629923

約数列:

[1, 3, 19, 57, 251, 753, 1471, 4413, 4769, 14307, 27949, 83847, 369221, 1107663, 7015199, 21045597]

約数ペア:

[(1, 21045597), (3, 7015199), (19, 1107663), (57, 369221), (251, 83847), (753, 27949), (1471, 14307), (4413, 4769)]