21345027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{7793}}^1$

素因数の和:7890

約数の個数: 16

約数和(自身を含む): 31425408

約数和(自身を除く): 10080381

約数列:

[1, 3, 11, 33, 83, 249, 913, 2739, 7793, 23379, 85723, 257169, 646819, 1940457, 7115009, 21345027]

約数ペア:

[(1, 21345027), (3, 7115009), (11, 1940457), (33, 646819), (83, 257169), (249, 85723), (913, 23379), (2739, 7793)]