21426239

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 23696640

約数和(自身を除く): 2270401

約数列:

[1, 17, 31, 109, 373, 527, 1853, 3379, 6341, 11563, 40657, 57443, 196571, 691169, 1260367, 21426239]

約数ペア:

[(1, 21426239), (17, 1260367), (31, 691169), (109, 196571), (373, 57443), (527, 40657), (1853, 11563), (3379, 6341)]