21604624

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{2087}}^1$

素因数の和:2742

約数の個数: 20

約数和(自身を含む): 41943744

約数和(自身を除く): 20339120

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2087, 2588, 4174, 5176, 8348, 10352, 16696, 33392, 1350289, 2700578, 5401156, 10802312, 21604624]

約数ペア:

[(1, 21604624), (2, 10802312), (4, 5401156), (8, 2700578), (16, 1350289), (647, 33392), (1294, 16696), (2087, 10352), (2588, 8348), (4174, 5176)]