21806731656

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{20123}}^1$

素因数の和:20340

約数の個数: 128

約数和(自身を含む): 63028368000

約数和(自身を除く): 41221636344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 173, 174, 216, 232, 261, 346, 348, 519, 522, 692, 696, 783, 1038, 1044, 1384, 1557, 1566, 2076, 2088, 3114, 3132, 4152, 4671, 5017, 6228, 6264, 9342, 10034, 12456, 15051, 18684, 20068, 20123, 30102, 37368, 40136, 40246, 45153, 60204, 60369, 80492, 90306, 120408, 120738, 135459, 160984, 180612, 181107, 241476, 270918, 361224, 362214, 482952, 541836, 543321, 583567, 724428, 1083672, 1086642, 1167134, 1448856, 1750701, 2173284, 2334268, 3481279, 3501402, 4346568, 4668536, 5252103, 6962558, 7002804, 10443837, 10504206, 13925116, 14005608, 15756309, 20887674, 21008412, 27850232, 31331511, 31512618, 41775348, 42016824, 62663022, 63025236, 83550696, 93994533, 100957091, 125326044, 126050472, 187989066, 201914182, 250652088, 302871273, 375978132, 403828364, 605742546, 751956264, 807656728, 908613819, 1211485092, 1817227638, 2422970184, 2725841457, 3634455276, 5451682914, 7268910552, 10903365828, 21806731656]

約数ペア:

[(1, 21806731656), (2, 10903365828), (3, 7268910552), (4, 5451682914), (6, 3634455276), (8, 2725841457), (9, 2422970184), (12, 1817227638), (18, 1211485092), (24, 908613819), (27, 807656728), (29, 751956264), (36, 605742546), (54, 403828364), (58, 375978132), (72, 302871273), (87, 250652088), (108, 201914182), (116, 187989066), (173, 126050472), (174, 125326044), (216, 100957091), (232, 93994533), (261, 83550696), (346, 63025236), (348, 62663022), (519, 42016824), (522, 41775348), (692, 31512618), (696, 31331511), (783, 27850232), (1038, 21008412), (1044, 20887674), (1384, 15756309), (1557, 14005608), (1566, 13925116), (2076, 10504206), (2088, 10443837), (3114, 7002804), (3132, 6962558), (4152, 5252103), (4671, 4668536), (5017, 4346568), (6228, 3501402), (6264, 3481279), (9342, 2334268), (10034, 2173284), (12456, 1750701), (15051, 1448856), (18684, 1167134), (20068, 1086642), (20123, 1083672), (30102, 724428), (37368, 583567), (40136, 543321), (40246, 541836), (45153, 482952), (60204, 362214), (60369, 361224), (80492, 270918), (90306, 241476), (120408, 181107), (120738, 180612), (135459, 160984)]