21894520

素因数分解:

$2^3\times 5^1\times {\mathrm{547363}}^1$

素因数の和:547374

約数の個数: 16

約数和(自身を含む): 49262760

約数和(自身を除く): 27368240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547363, 1094726, 2189452, 2736815, 4378904, 5473630, 10947260, 21894520]

約数ペア:

[(1, 21894520), (2, 10947260), (4, 5473630), (5, 4378904), (8, 2736815), (10, 2189452), (20, 1094726), (40, 547363)]