21978007788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1913

約数の個数: 216

約数和(自身を含む): 62111314944

約数和(自身を除く): 40133307156

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 23, 33, 38, 44, 46, 57, 66, 69, 76, 92, 114, 121, 132, 138, 209, 228, 242, 253, 276, 361, 363, 418, 437, 484, 506, 627, 722, 726, 759, 836, 874, 1012, 1083, 1254, 1311, 1444, 1452, 1518, 1748, 1823, 2166, 2299, 2508, 2622, 2783, 3036, 3646, 3971, 4332, 4598, 4807, 5244, 5469, 5566, 6897, 7292, 7942, 8303, 8349, 9196, 9614, 10938, 11132, 11913, 13794, 14421, 15884, 16606, 16698, 19228, 20053, 21876, 23826, 24909, 27588, 28842, 33212, 33396, 34637, 40106, 41929, 43681, 47652, 49818, 52877, 57684, 60159, 69274, 80212, 83858, 87362, 91333, 99636, 103911, 105754, 120318, 125787, 131043, 138548, 158631, 167716, 174724, 182666, 207822, 211508, 220583, 240636, 251574, 262086, 273999, 317262, 365332, 381007, 415644, 441166, 461219, 503148, 524172, 547998, 634524, 658103, 661749, 762014, 796651, 882332, 922438, 1004663, 1095996, 1143021, 1316206, 1323498, 1383657, 1524028, 1593302, 1844876, 1974309, 2009326, 2286042, 2389953, 2632412, 2646996, 2767314, 3013989, 3186604, 3948618, 4018652, 4191077, 4572084, 4779906, 5073409, 5534628, 6027978, 7239133, 7897236, 8382154, 8763161, 9559812, 10146818, 12055956, 12573231, 14478266, 15136369, 15220227, 16764308, 17526322, 20293636, 21717399, 25146462, 26289483, 28956532, 30272738, 30440454, 35052644, 43434798, 45409107, 50292924, 52578966, 60545476, 60880908, 79630463, 86869596, 90818214, 96394771, 105157932, 159260926, 166500059, 181636428, 192789542, 238891389, 289184313, 318521852, 333000118, 385579084, 477782778, 499500177, 578368626, 666000236, 955565556, 999000354, 1156737252, 1831500649, 1998000708, 3663001298, 5494501947, 7326002596, 10989003894, 21978007788]

約数ペア:

[(1, 21978007788), (2, 10989003894), (3, 7326002596), (4, 5494501947), (6, 3663001298), (11, 1998000708), (12, 1831500649), (19, 1156737252), (22, 999000354), (23, 955565556), (33, 666000236), (38, 578368626), (44, 499500177), (46, 477782778), (57, 385579084), (66, 333000118), (69, 318521852), (76, 289184313), (92, 238891389), (114, 192789542), (121, 181636428), (132, 166500059), (138, 159260926), (209, 105157932), (228, 96394771), (242, 90818214), (253, 86869596), (276, 79630463), (361, 60880908), (363, 60545476), (418, 52578966), (437, 50292924), (484, 45409107), (506, 43434798), (627, 35052644), (722, 30440454), (726, 30272738), (759, 28956532), (836, 26289483), (874, 25146462), (1012, 21717399), (1083, 20293636), (1254, 17526322), (1311, 16764308), (1444, 15220227), (1452, 15136369), (1518, 14478266), (1748, 12573231), (1823, 12055956), (2166, 10146818), (2299, 9559812), (2508, 8763161), (2622, 8382154), (2783, 7897236), (3036, 7239133), (3646, 6027978), (3971, 5534628), (4332, 5073409), (4598, 4779906), (4807, 4572084), (5244, 4191077), (5469, 4018652), (5566, 3948618), (6897, 3186604), (7292, 3013989), (7942, 2767314), (8303, 2646996), (8349, 2632412), (9196, 2389953), (9614, 2286042), (10938, 2009326), (11132, 1974309), (11913, 1844876), (13794, 1593302), (14421, 1524028), (15884, 1383657), (16606, 1323498), (16698, 1316206), (19228, 1143021), (20053, 1095996), (21876, 1004663), (23826, 922438), (24909, 882332), (27588, 796651), (28842, 762014), (33212, 661749), (33396, 658103), (34637, 634524), (40106, 547998), (41929, 524172), (43681, 503148), (47652, 461219), (49818, 441166), (52877, 415644), (57684, 381007), (60159, 365332), (69274, 317262), (80212, 273999), (83858, 262086), (87362, 251574), (91333, 240636), (99636, 220583), (103911, 211508), (105754, 207822), (120318, 182666), (125787, 174724), (131043, 167716), (138548, 158631)]