21384521

素因数分解:

${\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{2203}}^1$

素因数の和:2791

約数の個数: 8

約数和(自身を含む): 22692384

約数和(自身を除く): 1307863

約数列:

[1, 17, 571, 2203, 9707, 37451, 1257913, 21384521]

約数ペア:

[(1, 21384521), (17, 1257913), (571, 37451), (2203, 9707)]