21497619

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50111}}^1$

素因数の和:50138

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 12177645

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50111, 150333, 551221, 651443, 1653663, 1954329, 7165873, 21497619]

約数ペア:

[(1, 21497619), (3, 7165873), (11, 1954329), (13, 1653663), (33, 651443), (39, 551221), (143, 150333), (429, 50111)]