21154409

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{673}}^1$

素因数の和:776

約数の個数: 12

約数和(自身を含む): 22965876

約数和(自身を除く): 1811467

約数列:

[1, 17, 43, 673, 731, 1849, 11441, 28939, 31433, 491963, 1244377, 21154409]

約数ペア:

[(1, 21154409), (17, 1244377), (43, 491963), (673, 31433), (731, 28939), (1849, 11441)]