21124686

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1217}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 46303488

約数和(自身を除く): 25178802

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 263, 526, 789, 1217, 1578, 2434, 2893, 3651, 5786, 7302, 8679, 13387, 17358, 26774, 40161, 80322, 320071, 640142, 960213, 1920426, 3520781, 7041562, 10562343, 21124686]

約数ペア:

[(1, 21124686), (2, 10562343), (3, 7041562), (6, 3520781), (11, 1920426), (22, 960213), (33, 640142), (66, 320071), (263, 80322), (526, 40161), (789, 26774), (1217, 17358), (1578, 13387), (2434, 8679), (2893, 7302), (3651, 5786)]