21939555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132967}}^1$

素因数の和:132986

約数の個数: 16

約数和(自身を含む): 38294784

約数和(自身を除く): 16355229

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132967, 398901, 664835, 1462637, 1994505, 4387911, 7313185, 21939555]

約数ペア:

[(1, 21939555), (3, 7313185), (5, 4387911), (11, 1994505), (15, 1462637), (33, 664835), (55, 398901), (165, 132967)]