21876016

素因数分解:

$2^4\times {\mathrm{1069}}^1\times {\mathrm{1279}}^1$

素因数の和:2356

約数の個数: 20

約数和(自身を含む): 42457600

約数和(自身を除く): 20581584

約数列:

[1, 2, 4, 8, 16, 1069, 1279, 2138, 2558, 4276, 5116, 8552, 10232, 17104, 20464, 1367251, 2734502, 5469004, 10938008, 21876016]

約数ペア:

[(1, 21876016), (2, 10938008), (4, 5469004), (8, 2734502), (16, 1367251), (1069, 20464), (1279, 17104), (2138, 10232), (2558, 8552), (4276, 5116)]