2021844321

素因数分解:

$3^8\times 7^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 108

約数和(自身を含む): 3724621680

約数和(自身を除く): 1702777359

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 243, 331, 399, 441, 513, 567, 729, 931, 993, 1197, 1323, 1539, 1701, 2187, 2317, 2793, 2979, 3591, 3969, 4617, 5103, 6289, 6561, 6951, 8379, 8937, 10773, 11907, 13851, 15309, 16219, 18867, 20853, 25137, 26811, 32319, 35721, 41553, 44023, 45927, 48657, 56601, 62559, 75411, 80433, 96957, 107163, 124659, 132069, 145971, 169803, 187677, 226233, 241299, 290871, 308161, 321489, 396207, 437913, 509409, 563031, 678699, 723897, 872613, 924483, 1188621, 1313739, 1528227, 1689093, 2036097, 2171691, 2773449, 3565863, 3941217, 4584681, 5067279, 6108291, 8320347, 10697589, 11823651, 13754043, 15201837, 24961041, 32092767, 35470953, 41262129, 74883123, 96278301, 106412859, 224649369, 288834903, 673948107, 2021844321]

約数ペア:

[(1, 2021844321), (3, 673948107), (7, 288834903), (9, 224649369), (19, 106412859), (21, 96278301), (27, 74883123), (49, 41262129), (57, 35470953), (63, 32092767), (81, 24961041), (133, 15201837), (147, 13754043), (171, 11823651), (189, 10697589), (243, 8320347), (331, 6108291), (399, 5067279), (441, 4584681), (513, 3941217), (567, 3565863), (729, 2773449), (931, 2171691), (993, 2036097), (1197, 1689093), (1323, 1528227), (1539, 1313739), (1701, 1188621), (2187, 924483), (2317, 872613), (2793, 723897), (2979, 678699), (3591, 563031), (3969, 509409), (4617, 437913), (5103, 396207), (6289, 321489), (6561, 308161), (6951, 290871), (8379, 241299), (8937, 226233), (10773, 187677), (11907, 169803), (13851, 145971), (15309, 132069), (16219, 124659), (18867, 107163), (20853, 96957), (25137, 80433), (26811, 75411), (32319, 62559), (35721, 56601), (41553, 48657), (44023, 45927)]