21371922

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 59911488

約数和(自身を除く): 38539566

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 23, 26, 33, 38, 39, 46, 57, 66, 69, 78, 99, 114, 117, 138, 143, 171, 198, 207, 209, 234, 247, 253, 286, 299, 342, 361, 414, 418, 429, 437, 494, 506, 598, 627, 722, 741, 759, 858, 874, 897, 1083, 1254, 1287, 1311, 1482, 1518, 1794, 1881, 2166, 2223, 2277, 2574, 2622, 2691, 2717, 3249, 3289, 3762, 3933, 3971, 4446, 4554, 4693, 4807, 5382, 5434, 5681, 6498, 6578, 7866, 7942, 8151, 8303, 9386, 9614, 9867, 11362, 11913, 14079, 14421, 16302, 16606, 17043, 19734, 23826, 24453, 24909, 28158, 28842, 29601, 34086, 35739, 42237, 43263, 48906, 49818, 51129, 51623, 59202, 62491, 71478, 74727, 84474, 86526, 91333, 102258, 103246, 107939, 124982, 149454, 154869, 182666, 187473, 215878, 273999, 309738, 323817, 374946, 464607, 547998, 562419, 647634, 821997, 929214, 971451, 1124838, 1187329, 1643994, 1942902, 2374658, 3561987, 7123974, 10685961, 21371922]

約数ペア:

[(1, 21371922), (2, 10685961), (3, 7123974), (6, 3561987), (9, 2374658), (11, 1942902), (13, 1643994), (18, 1187329), (19, 1124838), (22, 971451), (23, 929214), (26, 821997), (33, 647634), (38, 562419), (39, 547998), (46, 464607), (57, 374946), (66, 323817), (69, 309738), (78, 273999), (99, 215878), (114, 187473), (117, 182666), (138, 154869), (143, 149454), (171, 124982), (198, 107939), (207, 103246), (209, 102258), (234, 91333), (247, 86526), (253, 84474), (286, 74727), (299, 71478), (342, 62491), (361, 59202), (414, 51623), (418, 51129), (429, 49818), (437, 48906), (494, 43263), (506, 42237), (598, 35739), (627, 34086), (722, 29601), (741, 28842), (759, 28158), (858, 24909), (874, 24453), (897, 23826), (1083, 19734), (1254, 17043), (1287, 16606), (1311, 16302), (1482, 14421), (1518, 14079), (1794, 11913), (1881, 11362), (2166, 9867), (2223, 9614), (2277, 9386), (2574, 8303), (2622, 8151), (2691, 7942), (2717, 7866), (3249, 6578), (3289, 6498), (3762, 5681), (3933, 5434), (3971, 5382), (4446, 4807), (4554, 4693)]