21586160

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5741}}^1$

素因数の和:5801

約数の個数: 40

約数和(自身を含む): 51264576

約数和(自身を除く): 29678416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5741, 11482, 22964, 28705, 45928, 57410, 91856, 114820, 229640, 269827, 459280, 539654, 1079308, 1349135, 2158616, 2698270, 4317232, 5396540, 10793080, 21586160]

約数ペア:

[(1, 21586160), (2, 10793080), (4, 5396540), (5, 4317232), (8, 2698270), (10, 2158616), (16, 1349135), (20, 1079308), (40, 539654), (47, 459280), (80, 269827), (94, 229640), (188, 114820), (235, 91856), (376, 57410), (470, 45928), (752, 28705), (940, 22964), (1880, 11482), (3760, 5741)]