21066771

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3527}}^1$

素因数の和:3722

約数の個数: 16

約数和(自身を含む): 30820608

約数和(自身を除く): 9753837

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3527, 5973, 10581, 38797, 116391, 638387, 1915161, 7022257, 21066771]

約数ペア:

[(1, 21066771), (3, 7022257), (11, 1915161), (33, 638387), (181, 116391), (543, 38797), (1991, 10581), (3527, 5973)]