21376593

素因数分解:

$3^2\times 7^2\times {\mathrm{48473}}^1$

素因数の和:48493

約数の個数: 18

約数和(自身を含む): 35919234

約数和(自身を除く): 14542641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 48473, 145419, 339311, 436257, 1017933, 2375177, 3053799, 7125531, 21376593]

約数ペア:

[(1, 21376593), (3, 7125531), (7, 3053799), (9, 2375177), (21, 1017933), (49, 436257), (63, 339311), (147, 145419), (441, 48473)]