21362868

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2309}}^1$

素因数の和:2576

約数の個数: 36

約数和(自身を含む): 54234180

約数和(自身を除く): 32871312

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2309, 2313, 3084, 4618, 4626, 6927, 9236, 9252, 13854, 20781, 27708, 41562, 83124, 593413, 1186826, 1780239, 2373652, 3560478, 5340717, 7120956, 10681434, 21362868]

約数ペア:

[(1, 21362868), (2, 10681434), (3, 7120956), (4, 5340717), (6, 3560478), (9, 2373652), (12, 1780239), (18, 1186826), (36, 593413), (257, 83124), (514, 41562), (771, 27708), (1028, 20781), (1542, 13854), (2309, 9252), (2313, 9236), (3084, 6927), (4618, 4626)]