21020593

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 3689807

約数列:

[1, 11, 19, 43, 209, 473, 817, 2339, 8987, 25729, 44441, 100577, 488851, 1106347, 1910963, 21020593]

約数ペア:

[(1, 21020593), (11, 1910963), (19, 1106347), (43, 488851), (209, 100577), (473, 44441), (817, 25729), (2339, 8987)]