21925270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50989}}^1$

素因数の和:51039

約数の個数: 16

約数和(自身を含む): 40384080

約数和(自身を除く): 18458810

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 50989, 101978, 254945, 509890, 2192527, 4385054, 10962635, 21925270]

約数ペア:

[(1, 21925270), (2, 10962635), (5, 4385054), (10, 2192527), (43, 509890), (86, 254945), (215, 101978), (430, 50989)]