21858032

素因数分解:

$2^4\times 7^1\times {\mathrm{195161}}^1$

素因数の和:195176

約数の個数: 20

約数和(自身を含む): 48400176

約数和(自身を除く): 26542144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195161, 390322, 780644, 1366127, 1561288, 2732254, 3122576, 5464508, 10929016, 21858032]

約数ペア:

[(1, 21858032), (2, 10929016), (4, 5464508), (7, 3122576), (8, 2732254), (14, 1561288), (16, 1366127), (28, 780644), (56, 390322), (112, 195161)]