21882807

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 33441408

約数和(自身を除く): 11558601

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 1913, 3813, 5739, 11439, 17217, 59303, 78433, 177909, 235299, 533727, 705897, 2431423, 7294269, 21882807]

約数ペア:

[(1, 21882807), (3, 7294269), (9, 2431423), (31, 705897), (41, 533727), (93, 235299), (123, 177909), (279, 78433), (369, 59303), (1271, 17217), (1913, 11439), (3813, 5739)]