21297564

素因数分解:

$2^2\times 3^2\times {\mathrm{591599}}^1$

素因数の和:591609

約数の個数: 18

約数和(自身を含む): 53835600

約数和(自身を除く): 32538036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591599, 1183198, 1774797, 2366396, 3549594, 5324391, 7099188, 10648782, 21297564]

約数ペア:

[(1, 21297564), (2, 10648782), (3, 7099188), (4, 5324391), (6, 3549594), (9, 2366396), (12, 1774797), (18, 1183198), (36, 591599)]