21408541966

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{873319}}^1$

素因数の和:873448

約数の個数: 32

約数和(自身を含む): 39236520960

約数和(自身を除く): 17827978994

約数列:

[1, 2, 7, 14, 17, 34, 103, 119, 206, 238, 721, 1442, 1751, 3502, 12257, 24514, 873319, 1746638, 6113233, 12226466, 14846423, 29692846, 89951857, 103924961, 179903714, 207849922, 629662999, 1259325998, 1529181569, 3058363138, 10704270983, 21408541966]

約数ペア:

[(1, 21408541966), (2, 10704270983), (7, 3058363138), (14, 1529181569), (17, 1259325998), (34, 629662999), (103, 207849922), (119, 179903714), (206, 103924961), (238, 89951857), (721, 29692846), (1442, 14846423), (1751, 12226466), (3502, 6113233), (12257, 1746638), (24514, 873319)]