2137900

素因数分解:

$2^2\times 5^2\times {\mathrm{21379}}^1$

素因数の和:21393

約数の個数: 18

約数和(自身を含む): 4639460

約数和(自身を除く): 2501560

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21379, 42758, 85516, 106895, 213790, 427580, 534475, 1068950, 2137900]

約数ペア:

[(1, 2137900), (2, 1068950), (4, 534475), (5, 427580), (10, 213790), (20, 106895), (25, 85516), (50, 42758), (100, 21379)]