2021301909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{1753}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 3360102720

約数和(自身を除く): 1338800811

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 613, 627, 1753, 1839, 1881, 5259, 5517, 6743, 11647, 15777, 19283, 20229, 33307, 34941, 57849, 60687, 99921, 104823, 128117, 173547, 299763, 366377, 384351, 1074589, 1099131, 1153053, 3223767, 3297393, 9671301, 11820479, 20417191, 35461437, 61251573, 106384311, 183754719, 224589101, 673767303, 2021301909]

約数ペア:

[(1, 2021301909), (3, 673767303), (9, 224589101), (11, 183754719), (19, 106384311), (33, 61251573), (57, 35461437), (99, 20417191), (171, 11820479), (209, 9671301), (613, 3297393), (627, 3223767), (1753, 1153053), (1839, 1099131), (1881, 1074589), (5259, 384351), (5517, 366377), (6743, 299763), (11647, 173547), (15777, 128117), (19283, 104823), (20229, 99921), (33307, 60687), (34941, 57849)]