21008500

素因数分解:

$2^2\times 5^3\times {\mathrm{42017}}^1$

素因数の和:42036

約数の個数: 24

約数和(自身を含む): 45883656

約数和(自身を除く): 24875156

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42017, 84034, 168068, 210085, 420170, 840340, 1050425, 2100850, 4201700, 5252125, 10504250, 21008500]

約数ペア:

[(1, 21008500), (2, 10504250), (4, 5252125), (5, 4201700), (10, 2100850), (20, 1050425), (25, 840340), (50, 420170), (100, 210085), (125, 168068), (250, 84034), (500, 42017)]