21049444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{719}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 39795840

約数和(自身を除く): 18746396

約数列:

[1, 2, 4, 13, 26, 52, 563, 719, 1126, 1438, 2252, 2876, 7319, 9347, 14638, 18694, 29276, 37388, 404797, 809594, 1619188, 5262361, 10524722, 21049444]

約数ペア:

[(1, 21049444), (2, 10524722), (4, 5262361), (13, 1619188), (26, 809594), (52, 404797), (563, 37388), (719, 29276), (1126, 18694), (1438, 14638), (2252, 9347), (2876, 7319)]