21326000

素因数分解:

$2^4\times 5^3\times {\mathrm{10663}}^1$

素因数の和:10686

約数の個数: 40

約数和(自身を含む): 51571104

約数和(自身を除く): 30245104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10663, 21326, 42652, 53315, 85304, 106630, 170608, 213260, 266575, 426520, 533150, 853040, 1066300, 1332875, 2132600, 2665750, 4265200, 5331500, 10663000, 21326000]

約数ペア:

[(1, 21326000), (2, 10663000), (4, 5331500), (5, 4265200), (8, 2665750), (10, 2132600), (16, 1332875), (20, 1066300), (25, 853040), (40, 533150), (50, 426520), (80, 266575), (100, 213260), (125, 170608), (200, 106630), (250, 85304), (400, 53315), (500, 42652), (1000, 21326), (2000, 10663)]