20141121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 38062080

約数和(自身を除く): 17920959

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 231, 247, 273, 353, 399, 429, 627, 741, 1001, 1059, 1463, 1729, 2471, 2717, 3003, 3883, 4389, 4589, 5187, 6707, 7413, 8151, 11649, 13767, 19019, 20121, 27181, 32123, 46949, 50479, 57057, 73777, 81543, 87191, 96369, 140847, 151437, 221331, 261573, 353353, 516439, 610337, 959101, 1060059, 1549317, 1831011, 2877303, 6713707, 20141121]

約数ペア:

[(1, 20141121), (3, 6713707), (7, 2877303), (11, 1831011), (13, 1549317), (19, 1060059), (21, 959101), (33, 610337), (39, 516439), (57, 353353), (77, 261573), (91, 221331), (133, 151437), (143, 140847), (209, 96369), (231, 87191), (247, 81543), (273, 73777), (353, 57057), (399, 50479), (429, 46949), (627, 32123), (741, 27181), (1001, 20121), (1059, 19019), (1463, 13767), (1729, 11649), (2471, 8151), (2717, 7413), (3003, 6707), (3883, 5187), (4389, 4589)]