21165606

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15271}}^1$

素因数の和:15297

約数の個数: 48

約数和(自身を含む): 57178368

約数和(自身を除く): 36012762

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15271, 30542, 45813, 91626, 106897, 137439, 167981, 213794, 274878, 320691, 335962, 503943, 641382, 962073, 1007886, 1175867, 1511829, 1924146, 2351734, 3023658, 3527601, 7055202, 10582803, 21165606]

約数ペア:

[(1, 21165606), (2, 10582803), (3, 7055202), (6, 3527601), (7, 3023658), (9, 2351734), (11, 1924146), (14, 1511829), (18, 1175867), (21, 1007886), (22, 962073), (33, 641382), (42, 503943), (63, 335962), (66, 320691), (77, 274878), (99, 213794), (126, 167981), (154, 137439), (198, 106897), (231, 91626), (462, 45813), (693, 30542), (1386, 15271)]