21152853

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{2503}}^1$

素因数の和:2825

約数の個数: 16

約数和(自身を含む): 31450240

約数和(自身を除く): 10297387

約数列:

[1, 3, 9, 27, 313, 939, 2503, 2817, 7509, 8451, 22527, 67581, 783439, 2350317, 7050951, 21152853]

約数ペア:

[(1, 21152853), (3, 7050951), (9, 2350317), (27, 783439), (313, 67581), (939, 22527), (2503, 8451), (2817, 7509)]