21000655208

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15533029}}^1$

素因数の和:15533061

約数の個数: 24

約数和(自身を含む): 42638167350

約数和(自身を除く): 21637512142

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15533029, 31066058, 62132116, 124264232, 201929377, 403858754, 807717508, 1615435016, 2625081901, 5250163802, 10500327604, 21000655208]

約数ペア:

[(1, 21000655208), (2, 10500327604), (4, 5250163802), (8, 2625081901), (13, 1615435016), (26, 807717508), (52, 403858754), (104, 201929377), (169, 124264232), (338, 62132116), (676, 31066058), (1352, 15533029)]