21995886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{333271}}^1$

素因数の和:333287

約数の個数: 16

約数和(自身を含む): 47991168

約数和(自身を除く): 25995282

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 333271, 666542, 999813, 1999626, 3665981, 7331962, 10997943, 21995886]

約数ペア:

[(1, 21995886), (2, 10997943), (3, 7331962), (6, 3665981), (11, 1999626), (22, 999813), (33, 666542), (66, 333271)]