21789069

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1033}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 29779200

約数和(自身を除く): 7990131

約数列:

[1, 3, 79, 89, 237, 267, 1033, 3099, 7031, 21093, 81607, 91937, 244821, 275811, 7263023, 21789069]

約数ペア:

[(1, 21789069), (3, 7263023), (79, 275811), (89, 244821), (237, 91937), (267, 81607), (1033, 21093), (3099, 7031)]