21279564

素因数分解:

$2^2\times 3^3\times {\mathrm{197033}}^1$

素因数の和:197046

約数の個数: 24

約数和(自身を含む): 55169520

約数和(自身を除く): 33889956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197033, 394066, 591099, 788132, 1182198, 1773297, 2364396, 3546594, 5319891, 7093188, 10639782, 21279564]

約数ペア:

[(1, 21279564), (2, 10639782), (3, 7093188), (4, 5319891), (6, 3546594), (9, 2364396), (12, 1773297), (18, 1182198), (27, 788132), (36, 591099), (54, 394066), (108, 197033)]