21696471

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47269}}^1$

素因数の和:47295

約数の個数: 16

約数和(自身を含む): 34034400

約数和(自身を除く): 12337929

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47269, 141807, 425421, 803573, 1276263, 2410719, 7232157, 21696471]

約数ペア:

[(1, 21696471), (3, 7232157), (9, 2410719), (17, 1276263), (27, 803573), (51, 425421), (153, 141807), (459, 47269)]