21188172

素因数分解:

$2^2\times 3^1\times {\mathrm{127}}^1\times {\mathrm{13903}}^1$

素因数の和:14037

約数の個数: 24

約数和(自身を含む): 49831936

約数和(自身を除く): 28643764

約数列:

[1, 2, 3, 4, 6, 12, 127, 254, 381, 508, 762, 1524, 13903, 27806, 41709, 55612, 83418, 166836, 1765681, 3531362, 5297043, 7062724, 10594086, 21188172]

約数ペア:

[(1, 21188172), (2, 10594086), (3, 7062724), (4, 5297043), (6, 3531362), (12, 1765681), (127, 166836), (254, 83418), (381, 55612), (508, 41709), (762, 27806), (1524, 13903)]