21279816

素因数分解:

$2^3\times 3^2\times {\mathrm{295553}}^1$

素因数の和:295565

約数の個数: 24

約数和(自身を含む): 57633030

約数和(自身を除く): 36353214

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 295553, 591106, 886659, 1182212, 1773318, 2364424, 2659977, 3546636, 5319954, 7093272, 10639908, 21279816]

約数ペア:

[(1, 21279816), (2, 10639908), (3, 7093272), (4, 5319954), (6, 3546636), (8, 2659977), (9, 2364424), (12, 1773318), (18, 1182212), (24, 886659), (36, 591106), (72, 295553)]