21534417

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3853}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 33668544

約数和(自身を除く): 12134127

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3853, 5589, 11559, 34677, 88619, 104031, 265857, 312093, 797571, 936279, 2392713, 7178139, 21534417]

約数ペア:

[(1, 21534417), (3, 7178139), (9, 2392713), (23, 936279), (27, 797571), (69, 312093), (81, 265857), (207, 104031), (243, 88619), (621, 34677), (1863, 11559), (3853, 5589)]