21230487

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 31462704

約数和(自身を除く): 10232217

約数列:

[1, 3, 9, 83, 97, 249, 291, 293, 747, 873, 879, 2637, 8051, 24153, 24319, 28421, 72459, 72957, 85263, 218871, 255789, 2358943, 7076829, 21230487]

約数ペア:

[(1, 21230487), (3, 7076829), (9, 2358943), (83, 255789), (97, 218871), (249, 85263), (291, 72957), (293, 72459), (747, 28421), (873, 24319), (879, 24153), (2637, 8051)]