21744080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5783}}^1$

素因数の和:5843

約数の個数: 40

約数和(自身を含む): 51639552

約数和(自身を除く): 29895472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5783, 11566, 23132, 28915, 46264, 57830, 92528, 115660, 231320, 271801, 462640, 543602, 1087204, 1359005, 2174408, 2718010, 4348816, 5436020, 10872040, 21744080]

約数ペア:

[(1, 21744080), (2, 10872040), (4, 5436020), (5, 4348816), (8, 2718010), (10, 2174408), (16, 1359005), (20, 1087204), (40, 543602), (47, 462640), (80, 271801), (94, 231320), (188, 115660), (235, 92528), (376, 57830), (470, 46264), (752, 28915), (940, 23132), (1880, 11566), (3760, 5783)]