21056434

素因数分解:

$2^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{4463}}^1$

素因数の和:4809

約数の個数: 16

約数和(自身を含む): 36211968

約数和(自身を除く): 15155534

約数列:

[1, 2, 7, 14, 337, 674, 2359, 4463, 4718, 8926, 31241, 62482, 1504031, 3008062, 10528217, 21056434]

約数ペア:

[(1, 21056434), (2, 10528217), (7, 3008062), (14, 1504031), (337, 62482), (674, 31241), (2359, 8926), (4463, 4718)]