21292792

素因数分解:

$2^3\times {\mathrm{1279}}^1\times {\mathrm{2081}}^1$

素因数の和:3366

約数の個数: 16

約数和(自身を含む): 39974400

約数和(自身を除く): 18681608

約数列:

[1, 2, 4, 8, 1279, 2081, 2558, 4162, 5116, 8324, 10232, 16648, 2661599, 5323198, 10646396, 21292792]

約数ペア:

[(1, 21292792), (2, 10646396), (4, 5323198), (8, 2661599), (1279, 16648), (2081, 10232), (2558, 8324), (4162, 5116)]