2173900

素因数分解:

$2^2\times 5^2\times {\mathrm{21739}}^1$

素因数の和:21753

約数の個数: 18

約数和(自身を含む): 4717580

約数和(自身を除く): 2543680

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21739, 43478, 86956, 108695, 217390, 434780, 543475, 1086950, 2173900]

約数ペア:

[(1, 2173900), (2, 1086950), (4, 543475), (5, 434780), (10, 217390), (20, 108695), (25, 86956), (50, 43478), (100, 21739)]