21297141

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46399}}^1$

素因数の和:46425

約数の個数: 16

約数和(自身を含む): 33408000

約数和(自身を除く): 12110859

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46399, 139197, 417591, 788783, 1252773, 2366349, 7099047, 21297141]

約数ペア:

[(1, 21297141), (3, 7099047), (9, 2366349), (17, 1252773), (27, 788783), (51, 417591), (153, 139197), (459, 46399)]