21894440

素因数分解:

$2^3\times 5^1\times {\mathrm{547361}}^1$

素因数の和:547372

約数の個数: 16

約数和(自身を含む): 49262580

約数和(自身を除く): 27368140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547361, 1094722, 2189444, 2736805, 4378888, 5473610, 10947220, 21894440]

約数ペア:

[(1, 21894440), (2, 10947220), (4, 5473610), (5, 4378888), (8, 2736805), (10, 2189444), (20, 1094722), (40, 547361)]