21719973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1319}}^1$

素因数の和:1832

約数の個数: 16

約数和(自身を含む): 31680000

約数和(自身を除く): 9960027

約数列:

[1, 3, 11, 33, 499, 1319, 1497, 3957, 5489, 14509, 16467, 43527, 658181, 1974543, 7239991, 21719973]

約数ペア:

[(1, 21719973), (3, 7239991), (11, 1974543), (33, 658181), (499, 43527), (1319, 16467), (1497, 14509), (3957, 5489)]