21327095

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10909}}^1$

素因数の和:10954

約数の個数: 16

約数和(自身を含む): 28278720

約数和(自身を除く): 6951625

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10909, 54545, 185453, 250907, 927265, 1254535, 4265419, 21327095]

約数ペア:

[(1, 21327095), (5, 4265419), (17, 1254535), (23, 927265), (85, 250907), (115, 185453), (391, 54545), (1955, 10909)]