21076646

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:919

約数の個数: 16

約数和(自身を含む): 32173200

約数和(自身を除く): 11096554

約数列:

[1, 2, 107, 149, 214, 298, 661, 1322, 15943, 31886, 70727, 98489, 141454, 196978, 10538323, 21076646]

約数ペア:

[(1, 21076646), (2, 10538323), (107, 196978), (149, 141454), (214, 98489), (298, 70727), (661, 31886), (1322, 15943)]