21349922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3581}}^1$

素因数の和:3865

約数の個数: 16

約数和(自身を含む): 35074944

約数和(自身を除く): 13725022

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3581, 5962, 7162, 39391, 78782, 970451, 1940902, 10674961, 21349922]

約数ペア:

[(1, 21349922), (2, 10674961), (11, 1940902), (22, 970451), (271, 78782), (542, 39391), (2981, 7162), (3581, 5962)]