21078266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56359}}^1$

素因数の和:56389

約数の個数: 16

約数和(自身を含む): 36521280

約数和(自身を除く): 15443014

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56359, 112718, 619949, 958103, 1239898, 1916206, 10539133, 21078266]

約数ペア:

[(1, 21078266), (2, 10539133), (11, 1916206), (17, 1239898), (22, 958103), (34, 619949), (187, 112718), (374, 56359)]