21427053

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1609}}^1$

素因数の和:1828

約数の個数: 16

約数和(自身を含む): 29984640

約数和(自身を除く): 8557587

約数列:

[1, 3, 23, 69, 193, 579, 1609, 4439, 4827, 13317, 37007, 111021, 310537, 931611, 7142351, 21427053]

約数ペア:

[(1, 21427053), (3, 7142351), (23, 931611), (69, 310537), (193, 111021), (579, 37007), (1609, 13317), (4439, 4827)]