21282177

素因数分解:

$3^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{1709}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11221503

約数列:

[1, 3, 7, 21, 593, 1709, 1779, 4151, 5127, 11963, 12453, 35889, 1013437, 3040311, 7094059, 21282177]

約数ペア:

[(1, 21282177), (3, 7094059), (7, 3040311), (21, 1013437), (593, 35889), (1709, 12453), (1779, 11963), (4151, 5127)]