21091352

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90911}}^1$

素因数の和:90946

約数の個数: 16

約数和(自身を含む): 40910400

約数和(自身を除く): 19819048

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90911, 181822, 363644, 727288, 2636419, 5272838, 10545676, 21091352]

約数ペア:

[(1, 21091352), (2, 10545676), (4, 5272838), (8, 2636419), (29, 727288), (58, 363644), (116, 181822), (232, 90911)]