21762081

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14180319

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1551, 1559, 4653, 4677, 13959, 14031, 17149, 42093, 51447, 73273, 154341, 219819, 463023, 659457, 806003, 1978371, 2418009, 7254027, 21762081]

約数ペア:

[(1, 21762081), (3, 7254027), (9, 2418009), (11, 1978371), (27, 806003), (33, 659457), (47, 463023), (99, 219819), (141, 154341), (297, 73273), (423, 51447), (517, 42093), (1269, 17149), (1551, 14031), (1559, 13959), (4653, 4677)]