21608661

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7283}}^1$

素因数の和:7352

約数の個数: 16

約数和(自身を含む): 30767616

約数和(自身を除く): 9158955

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 7283, 21849, 167509, 313169, 502527, 939507, 7202887, 21608661]

約数ペア:

[(1, 21608661), (3, 7202887), (23, 939507), (43, 502527), (69, 313169), (129, 167509), (989, 21849), (2967, 7283)]