21116976040

素因数分解:

$2^3\times 5^1\times {\mathrm{527924401}}^1$

素因数の和:527924412

約数の個数: 16

約数和(自身を含む): 47513196180

約数和(自身を除く): 26396220140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527924401, 1055848802, 2111697604, 2639622005, 4223395208, 5279244010, 10558488020, 21116976040]

約数ペア:

[(1, 21116976040), (2, 10558488020), (4, 5279244010), (5, 4223395208), (8, 2639622005), (10, 2111697604), (20, 1055848802), (40, 527924401)]