21083174908

素因数分解:

$2^2\times {\mathrm{21961}}^1\times {\mathrm{240007}}^1$

素因数の和:261972

約数の個数: 12

約数和(自身を含む): 36897389872

約数和(自身を除く): 15814214964

約数列:

[1, 2, 4, 21961, 43922, 87844, 240007, 480014, 960028, 5270793727, 10541587454, 21083174908]

約数ペア:

[(1, 21083174908), (2, 10541587454), (4, 5270793727), (21961, 960028), (43922, 480014), (87844, 240007)]