21024350

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{2113}}^1$

素因数の和:2324

約数の個数: 24

約数和(自身を含む): 39320400

約数和(自身を除く): 18296050

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1990, 2113, 4226, 4975, 9950, 10565, 21130, 52825, 105650, 420487, 840974, 2102435, 4204870, 10512175, 21024350]

約数ペア:

[(1, 21024350), (2, 10512175), (5, 4204870), (10, 2102435), (25, 840974), (50, 420487), (199, 105650), (398, 52825), (995, 21130), (1990, 10565), (2113, 9950), (4226, 4975)]