21375400

素因数分解:

$2^3\times 5^2\times {\mathrm{106877}}^1$

素因数の和:106893

約数の個数: 24

約数和(自身を含む): 49698270

約数和(自身を除く): 28322870

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106877, 213754, 427508, 534385, 855016, 1068770, 2137540, 2671925, 4275080, 5343850, 10687700, 21375400]

約数ペア:

[(1, 21375400), (2, 10687700), (4, 5343850), (5, 4275080), (8, 2671925), (10, 2137540), (20, 1068770), (25, 855016), (40, 534385), (50, 427508), (100, 213754), (200, 106877)]