21797055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{69197}}^1$

素因数の和:69215

約数の個数: 24

約数和(自身を含む): 43179552

約数和(自身を除く): 21382497

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 69197, 207591, 345985, 484379, 622773, 1037955, 1453137, 2421895, 3113865, 4359411, 7265685, 21797055]

約数ペア:

[(1, 21797055), (3, 7265685), (5, 4359411), (7, 3113865), (9, 2421895), (15, 1453137), (21, 1037955), (35, 622773), (45, 484379), (63, 345985), (105, 207591), (315, 69197)]