21576628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1471}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 39979520

約数和(自身を除く): 18402892

約数列:

[1, 2, 4, 19, 38, 76, 193, 386, 772, 1471, 2942, 3667, 5884, 7334, 14668, 27949, 55898, 111796, 283903, 567806, 1135612, 5394157, 10788314, 21576628]

約数ペア:

[(1, 21576628), (2, 10788314), (4, 5394157), (19, 1135612), (38, 567806), (76, 283903), (193, 111796), (386, 55898), (772, 27949), (1471, 14668), (2942, 7334), (3667, 5884)]