21000337498

素因数分解:

$2^1\times 7^1\times {\mathrm{59077}}^1\times {\mathrm{25391}}^1$

素因数の和:84477

約数の個数: 16

約数和(自身を含む): 36002605824

約数和(自身を除く): 15002268326

約数列:

[1, 2, 7, 14, 25391, 50782, 59077, 118154, 177737, 355474, 413539, 827078, 1500024107, 3000048214, 10500168749, 21000337498]

約数ペア:

[(1, 21000337498), (2, 10500168749), (7, 3000048214), (14, 1500024107), (25391, 827078), (50782, 413539), (59077, 355474), (118154, 177737)]