21897760

素因数分解:

$2^5\times 5^1\times {\mathrm{136861}}^1$

素因数の和:136876

約数の個数: 24

約数和(自身を含む): 51733836

約数和(自身を除く): 29836076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136861, 273722, 547444, 684305, 1094888, 1368610, 2189776, 2737220, 4379552, 5474440, 10948880, 21897760]

約数ペア:

[(1, 21897760), (2, 10948880), (4, 5474440), (5, 4379552), (8, 2737220), (10, 2189776), (16, 1368610), (20, 1094888), (32, 684305), (40, 547444), (80, 273722), (160, 136861)]