21083601

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 14333487

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 853, 1177, 2247, 2559, 3531, 5971, 8239, 9383, 17913, 24717, 28149, 65681, 91271, 197043, 273813, 638897, 1003981, 1916691, 3011943, 7027867, 21083601]

約数ペア:

[(1, 21083601), (3, 7027867), (7, 3011943), (11, 1916691), (21, 1003981), (33, 638897), (77, 273813), (107, 197043), (231, 91271), (321, 65681), (749, 28149), (853, 24717), (1177, 17913), (2247, 9383), (2559, 8239), (3531, 5971)]