21896356

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{50221}}^1$

素因数の和:50334

約数の個数: 12

約数和(自身を含む): 38670940

約数和(自身を除く): 16774584

約数列:

[1, 2, 4, 109, 218, 436, 50221, 100442, 200884, 5474089, 10948178, 21896356]

約数ペア:

[(1, 21896356), (2, 10948178), (4, 5474089), (109, 200884), (218, 100442), (436, 50221)]