21880406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3631}}^1$

素因数の和:3787

約数の個数: 16

約数和(自身を含む): 34518528

約数和(自身を除く): 12638122

約数列:

[1, 2, 23, 46, 131, 262, 3013, 3631, 6026, 7262, 83513, 167026, 475661, 951322, 10940203, 21880406]

約数ペア:

[(1, 21880406), (2, 10940203), (23, 951322), (46, 475661), (131, 167026), (262, 83513), (3013, 7262), (3631, 6026)]