21118658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56467}}^1$

素因数の和:56497

約数の個数: 16

約数和(自身を含む): 36591264

約数和(自身を除く): 15472606

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56467, 112934, 621137, 959939, 1242274, 1919878, 10559329, 21118658]

約数ペア:

[(1, 21118658), (2, 10559329), (11, 1919878), (17, 1242274), (22, 959939), (34, 621137), (187, 112934), (374, 56467)]