21291876

素因数分解:

$2^2\times 3^3\times {\mathrm{197147}}^1$

素因数の和:197160

約数の個数: 24

約数和(自身を含む): 55201440

約数和(自身を除く): 33909564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197147, 394294, 591441, 788588, 1182882, 1774323, 2365764, 3548646, 5322969, 7097292, 10645938, 21291876]

約数ペア:

[(1, 21291876), (2, 10645938), (3, 7097292), (4, 5322969), (6, 3548646), (9, 2365764), (12, 1774323), (18, 1182882), (27, 788588), (36, 591441), (54, 394294), (108, 197147)]