21194727

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 28811520

約数和(自身を除く): 7616793

約数列:

[1, 3, 89, 163, 267, 487, 489, 1461, 14507, 43343, 43521, 79381, 130029, 238143, 7064909, 21194727]

約数ペア:

[(1, 21194727), (3, 7064909), (89, 238143), (163, 130029), (267, 79381), (487, 43521), (489, 43343), (1461, 14507)]