21370581

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46559}}^1$

素因数の和:46585

約数の個数: 16

約数和(自身を含む): 33523200

約数和(自身を除く): 12152619

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46559, 139677, 419031, 791503, 1257093, 2374509, 7123527, 21370581]

約数ペア:

[(1, 21370581), (3, 7123527), (9, 2374509), (17, 1257093), (27, 791503), (51, 419031), (153, 139677), (459, 46559)]