21755888

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17659}}^1$

素因数の和:17685

約数の個数: 40

約数和(自身を含む): 52556160

約数和(自身を除く): 30800272

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17659, 35318, 70636, 123613, 141272, 194249, 247226, 282544, 388498, 494452, 776996, 988904, 1359743, 1553992, 1977808, 2719486, 3107984, 5438972, 10877944, 21755888]

約数ペア:

[(1, 21755888), (2, 10877944), (4, 5438972), (7, 3107984), (8, 2719486), (11, 1977808), (14, 1553992), (16, 1359743), (22, 988904), (28, 776996), (44, 494452), (56, 388498), (77, 282544), (88, 247226), (112, 194249), (154, 141272), (176, 123613), (308, 70636), (616, 35318), (1232, 17659)]