21913128

素因数分解:

$2^3\times 3^2\times {\mathrm{304349}}^1$

素因数の和:304361

約数の個数: 24

約数和(自身を含む): 59348250

約数和(自身を除く): 37435122

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 304349, 608698, 913047, 1217396, 1826094, 2434792, 2739141, 3652188, 5478282, 7304376, 10956564, 21913128]

約数ペア:

[(1, 21913128), (2, 10956564), (3, 7304376), (4, 5478282), (6, 3652188), (8, 2739141), (9, 2434792), (12, 1826094), (18, 1217396), (24, 913047), (36, 608698), (72, 304349)]