21095900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30137}}^1$

素因数の和:30158

約数の個数: 36

約数和(自身を含む): 52319568

約数和(自身を除く): 31223668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30137, 60274, 120548, 150685, 210959, 301370, 421918, 602740, 753425, 843836, 1054795, 1506850, 2109590, 3013700, 4219180, 5273975, 10547950, 21095900]

約数ペア:

[(1, 21095900), (2, 10547950), (4, 5273975), (5, 4219180), (7, 3013700), (10, 2109590), (14, 1506850), (20, 1054795), (25, 843836), (28, 753425), (35, 602740), (50, 421918), (70, 301370), (100, 210959), (140, 150685), (175, 120548), (350, 60274), (700, 30137)]