21675085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{11087}}^1$

素因数の和:11132

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 7065011

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 11087, 55435, 188479, 255001, 942395, 1275005, 4335017, 21675085]

約数ペア:

[(1, 21675085), (5, 4335017), (17, 1275005), (23, 942395), (85, 255001), (115, 188479), (391, 55435), (1955, 11087)]