21149000

素因数分解:

$2^3\times 5^3\times {\mathrm{21149}}^1$

素因数の和:21170

約数の個数: 32

約数和(自身を含む): 49491000

約数和(自身を除く): 28342000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21149, 42298, 84596, 105745, 169192, 211490, 422980, 528725, 845960, 1057450, 2114900, 2643625, 4229800, 5287250, 10574500, 21149000]

約数ペア:

[(1, 21149000), (2, 10574500), (4, 5287250), (5, 4229800), (8, 2643625), (10, 2114900), (20, 1057450), (25, 845960), (40, 528725), (50, 422980), (100, 211490), (125, 169192), (200, 105745), (250, 84596), (500, 42298), (1000, 21149)]