21242903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 24009216

約数和(自身を除く): 2766313

約数列:

[1, 11, 43, 97, 463, 473, 1067, 4171, 5093, 19909, 44911, 45881, 218999, 494021, 1931173, 21242903]

約数ペア:

[(1, 21242903), (11, 1931173), (43, 494021), (97, 218999), (463, 45881), (473, 44911), (1067, 19909), (4171, 5093)]