21736449

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2186

約数の個数: 36

約数和(自身を含む): 38128896

約数和(自身を除く): 16392447

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2143, 3381, 6429, 10143, 15001, 19287, 45003, 49289, 105007, 135009, 147867, 315021, 345023, 443601, 945063, 1035069, 2415161, 3105207, 7245483, 21736449]

約数ペア:

[(1, 21736449), (3, 7245483), (7, 3105207), (9, 2415161), (21, 1035069), (23, 945063), (49, 443601), (63, 345023), (69, 315021), (147, 147867), (161, 135009), (207, 105007), (441, 49289), (483, 45003), (1127, 19287), (1449, 15001), (2143, 10143), (3381, 6429)]