21389073

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{967}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 29225856

約数和(自身を除く): 7836783

約数列:

[1, 3, 73, 101, 219, 303, 967, 2901, 7373, 22119, 70591, 97667, 211773, 293001, 7129691, 21389073]

約数ペア:

[(1, 21389073), (3, 7129691), (73, 293001), (101, 211773), (219, 97667), (303, 70591), (967, 22119), (2901, 7373)]