21438820832

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{1811}}^1$

素因数の和:2057

約数の個数: 144

約数和(自身を含む): 50137315200

約数和(自身を除く): 28698494368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 199, 208, 286, 338, 352, 398, 416, 572, 676, 796, 1144, 1352, 1592, 1811, 1859, 2189, 2288, 2587, 2704, 3184, 3622, 3718, 4378, 4576, 5174, 5408, 6368, 7244, 7436, 8756, 10348, 14488, 14872, 17512, 19921, 20696, 23543, 28457, 28976, 29744, 33631, 35024, 39842, 41392, 47086, 56914, 57952, 59488, 67262, 70048, 79684, 82784, 94172, 113828, 134524, 159368, 188344, 227656, 258973, 269048, 306059, 318736, 360389, 369941, 376688, 455312, 517946, 538096, 612118, 637472, 720778, 739882, 753376, 910624, 1035892, 1076192, 1224236, 1441556, 1479764, 2071784, 2448472, 2883112, 2959528, 3366649, 3964279, 4143568, 4685057, 4896944, 5766224, 5919056, 6733298, 7928558, 8287136, 9370114, 9793888, 11532448, 11838112, 13466596, 15857116, 18740228, 26933192, 31714232, 37480456, 51535627, 53866384, 60905741, 63428464, 74960912, 103071254, 107732768, 121811482, 126856928, 149921824, 206142508, 243622964, 412285016, 487245928, 669963151, 824570032, 974491856, 1339926302, 1649140064, 1948983712, 2679852604, 5359705208, 10719410416, 21438820832]

約数ペア:

[(1, 21438820832), (2, 10719410416), (4, 5359705208), (8, 2679852604), (11, 1948983712), (13, 1649140064), (16, 1339926302), (22, 974491856), (26, 824570032), (32, 669963151), (44, 487245928), (52, 412285016), (88, 243622964), (104, 206142508), (143, 149921824), (169, 126856928), (176, 121811482), (199, 107732768), (208, 103071254), (286, 74960912), (338, 63428464), (352, 60905741), (398, 53866384), (416, 51535627), (572, 37480456), (676, 31714232), (796, 26933192), (1144, 18740228), (1352, 15857116), (1592, 13466596), (1811, 11838112), (1859, 11532448), (2189, 9793888), (2288, 9370114), (2587, 8287136), (2704, 7928558), (3184, 6733298), (3622, 5919056), (3718, 5766224), (4378, 4896944), (4576, 4685057), (5174, 4143568), (5408, 3964279), (6368, 3366649), (7244, 2959528), (7436, 2883112), (8756, 2448472), (10348, 2071784), (14488, 1479764), (14872, 1441556), (17512, 1224236), (19921, 1076192), (20696, 1035892), (23543, 910624), (28457, 753376), (28976, 739882), (29744, 720778), (33631, 637472), (35024, 612118), (39842, 538096), (41392, 517946), (47086, 455312), (56914, 376688), (57952, 369941), (59488, 360389), (67262, 318736), (70048, 306059), (79684, 269048), (82784, 258973), (94172, 227656), (113828, 188344), (134524, 159368)]