21148446

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320431}}^1$

素因数の和:320447

約数の個数: 16

約数和(自身を含む): 46142208

約数和(自身を除く): 24993762

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320431, 640862, 961293, 1922586, 3524741, 7049482, 10574223, 21148446]

約数ペア:

[(1, 21148446), (2, 10574223), (3, 7049482), (6, 3524741), (11, 1922586), (22, 961293), (33, 640862), (66, 320431)]