21256222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48091}}^1$

素因数の和:48123

約数の個数: 16

約数和(自身を含む): 36357552

約数和(自身を除く): 15101330

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48091, 96182, 625183, 817547, 1250366, 1635094, 10628111, 21256222]

約数ペア:

[(1, 21256222), (2, 10628111), (13, 1635094), (17, 1250366), (26, 817547), (34, 625183), (221, 96182), (442, 48091)]