21139128

素因数分解:

$2^3\times 3^2\times {\mathrm{293599}}^1$

素因数の和:293611

約数の個数: 24

約数和(自身を含む): 57252000

約数和(自身を除く): 36112872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 293599, 587198, 880797, 1174396, 1761594, 2348792, 2642391, 3523188, 5284782, 7046376, 10569564, 21139128]

約数ペア:

[(1, 21139128), (2, 10569564), (3, 7046376), (4, 5284782), (6, 3523188), (8, 2642391), (9, 2348792), (12, 1761594), (18, 1174396), (24, 880797), (36, 587198), (72, 293599)]