21247963

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{4283}}^1$

素因数の和:4346

約数の個数: 12

約数和(自身を含む): 23930424

約数和(自身を除く): 2682461

約数列:

[1, 11, 41, 121, 451, 4283, 4961, 47113, 175603, 518243, 1931633, 21247963]

約数ペア:

[(1, 21247963), (11, 1931633), (41, 518243), (121, 175603), (451, 47113), (4283, 4961)]