21164269

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{607}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 4576019

約数列:

[1, 7, 17, 119, 293, 607, 2051, 4249, 4981, 10319, 34867, 72233, 177851, 1244957, 3023467, 21164269]

約数ペア:

[(1, 21164269), (7, 3023467), (17, 1244957), (119, 177851), (293, 72233), (607, 34867), (2051, 10319), (4249, 4981)]