21911802

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331997}}^1$

素因数の和:332013

約数の個数: 16

約数和(自身を含む): 47807712

約数和(自身を除く): 25895910

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331997, 663994, 995991, 1991982, 3651967, 7303934, 10955901, 21911802]

約数ペア:

[(1, 21911802), (2, 10955901), (3, 7303934), (6, 3651967), (11, 1991982), (22, 995991), (33, 663994), (66, 331997)]