21139000

素因数分解:

$2^3\times 5^3\times {\mathrm{21139}}^1$

素因数の和:21160

約数の個数: 32

約数和(自身を含む): 49467600

約数和(自身を除く): 28328600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21139, 42278, 84556, 105695, 169112, 211390, 422780, 528475, 845560, 1056950, 2113900, 2642375, 4227800, 5284750, 10569500, 21139000]

約数ペア:

[(1, 21139000), (2, 10569500), (4, 5284750), (5, 4227800), (8, 2642375), (10, 2113900), (20, 1056950), (25, 845560), (40, 528475), (50, 422780), (100, 211390), (125, 169112), (200, 105695), (250, 84556), (500, 42278), (1000, 21139)]