21502137

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2\times {\mathrm{71}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 30594240

約数和(自身を除く): 9092103

約数列:

[1, 3, 29, 59, 71, 87, 177, 213, 1711, 2059, 3481, 4189, 5133, 6177, 10443, 12567, 100949, 121481, 247151, 302847, 364443, 741453, 7167379, 21502137]

約数ペア:

[(1, 21502137), (3, 7167379), (29, 741453), (59, 364443), (71, 302847), (87, 247151), (177, 121481), (213, 100949), (1711, 12567), (2059, 10443), (3481, 6177), (4189, 5133)]