21831614

素因数分解:

$2^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2731}}^1$

素因数の和:3311

約数の個数: 16

約数和(自身を含む): 37504896

約数和(自身を除く): 15673282

約数列:

[1, 2, 7, 14, 571, 1142, 2731, 3997, 5462, 7994, 19117, 38234, 1559401, 3118802, 10915807, 21831614]

約数ペア:

[(1, 21831614), (2, 10915807), (7, 3118802), (14, 1559401), (571, 38234), (1142, 19117), (2731, 7994), (3997, 5462)]