2109700900

素因数分解:

$2^2\times 5^2\times {\mathrm{21097009}}^1$

素因数の和:21097023

約数の個数: 18

約数和(自身を含む): 4578051170

約数和(自身を除く): 2468350270

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21097009, 42194018, 84388036, 105485045, 210970090, 421940180, 527425225, 1054850450, 2109700900]

約数ペア:

[(1, 2109700900), (2, 1054850450), (4, 527425225), (5, 421940180), (10, 210970090), (20, 105485045), (25, 84388036), (50, 42194018), (100, 21097009)]