21712304

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{1279}}^1$

素因数の和:2348

約数の個数: 20

約数和(自身を含む): 42140160

約数和(自身を除く): 20427856

約数列:

[1, 2, 4, 8, 16, 1061, 1279, 2122, 2558, 4244, 5116, 8488, 10232, 16976, 20464, 1357019, 2714038, 5428076, 10856152, 21712304]

約数ペア:

[(1, 21712304), (2, 10856152), (4, 5428076), (8, 2714038), (16, 1357019), (1061, 20464), (1279, 16976), (2122, 10232), (2558, 8488), (4244, 5116)]