21122751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4793}}^1$

素因数の和:4922

約数の個数: 16

約数和(自身を含む): 30604896

約数和(自身を除く): 9482145

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4407, 4793, 14379, 62309, 186927, 541609, 1624827, 7040917, 21122751]

約数ペア:

[(1, 21122751), (3, 7040917), (13, 1624827), (39, 541609), (113, 186927), (339, 62309), (1469, 14379), (4407, 4793)]