21959650

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{2207}}^1$

素因数の和:2418

約数の個数: 24

約数和(自身を含む): 41068800

約数和(自身を除く): 19109150

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1990, 2207, 4414, 4975, 9950, 11035, 22070, 55175, 110350, 439193, 878386, 2195965, 4391930, 10979825, 21959650]

約数ペア:

[(1, 21959650), (2, 10979825), (5, 4391930), (10, 2195965), (25, 878386), (50, 439193), (199, 110350), (398, 55175), (995, 22070), (1990, 11035), (2207, 9950), (4414, 4975)]