21007833

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 35174400

約数和(自身を除く): 14166567

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 457, 597, 1371, 1393, 2189, 3199, 4179, 5027, 6567, 9597, 15081, 15323, 35189, 45969, 90943, 105567, 272829, 636601, 1000373, 1909803, 3001119, 7002611, 21007833]

約数ペア:

[(1, 21007833), (3, 7002611), (7, 3001119), (11, 1909803), (21, 1000373), (33, 636601), (77, 272829), (199, 105567), (231, 90943), (457, 45969), (597, 35189), (1371, 15323), (1393, 15081), (2189, 9597), (3199, 6567), (4179, 5027)]