2104420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 4523904

約数和(自身を除く): 2419484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2447, 4894, 9788, 12235, 24470, 48940, 105221, 210442, 420884, 526105, 1052210, 2104420]

約数ペア:

[(1, 2104420), (2, 1052210), (4, 526105), (5, 420884), (10, 210442), (20, 105221), (43, 48940), (86, 24470), (172, 12235), (215, 9788), (430, 4894), (860, 2447)]