21398103

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 31635968

約数和(自身を除く): 10237865

約数列:

[1, 3, 9, 97, 127, 193, 291, 381, 579, 873, 1143, 1737, 12319, 18721, 24511, 36957, 56163, 73533, 110871, 168489, 220599, 2377567, 7132701, 21398103]

約数ペア:

[(1, 21398103), (3, 7132701), (9, 2377567), (97, 220599), (127, 168489), (193, 110871), (291, 73533), (381, 56163), (579, 36957), (873, 24511), (1143, 18721), (1737, 12319)]