21022785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66739}}^1$

素因数の和:66757

約数の個数: 24

約数和(自身を含む): 41645760

約数和(自身を除く): 20622975

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66739, 200217, 333695, 467173, 600651, 1001085, 1401519, 2335865, 3003255, 4204557, 7007595, 21022785]

約数ペア:

[(1, 21022785), (3, 7007595), (5, 4204557), (7, 3003255), (9, 2335865), (15, 1401519), (21, 1001085), (35, 600651), (45, 467173), (63, 333695), (105, 200217), (315, 66739)]