21083139

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10141}}^1$

素因数の和:10168

約数の個数: 32

約数和(自身を含む): 38945280

約数和(自身を除く): 17862141

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 10141, 30423, 70987, 91269, 111551, 212961, 273807, 334653, 638883, 780857, 1003959, 1916649, 2342571, 3011877, 7027713, 21083139]

約数ペア:

[(1, 21083139), (3, 7027713), (7, 3011877), (9, 2342571), (11, 1916649), (21, 1003959), (27, 780857), (33, 638883), (63, 334653), (77, 273807), (99, 212961), (189, 111551), (231, 91269), (297, 70987), (693, 30423), (2079, 10141)]