21083036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1279}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 39889920

約数和(自身を除く): 18806884

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1268, 1279, 2558, 4121, 5116, 8242, 16484, 16627, 33254, 66508, 405443, 810886, 1621772, 5270759, 10541518, 21083036]

約数ペア:

[(1, 21083036), (2, 10541518), (4, 5270759), (13, 1621772), (26, 810886), (52, 405443), (317, 66508), (634, 33254), (1268, 16627), (1279, 16484), (2558, 8242), (4121, 5116)]