21161249824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{355723}}^1$

素因数の和:355770

約数の個数: 72

約数和(自身を含む): 49213703952

約数和(自身を除く): 28052454128

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 352, 416, 572, 676, 1144, 1352, 1859, 2288, 2704, 3718, 4576, 5408, 7436, 14872, 29744, 59488, 355723, 711446, 1422892, 2845784, 3912953, 4624399, 5691568, 7825906, 9248798, 11383136, 15651812, 18497596, 31303624, 36995192, 50868389, 60117187, 62607248, 73990384, 101736778, 120234374, 125214496, 147980768, 203473556, 240468748, 406947112, 480937496, 661289057, 813894224, 961874992, 1322578114, 1627788448, 1923749984, 2645156228, 5290312456, 10580624912, 21161249824]

約数ペア:

[(1, 21161249824), (2, 10580624912), (4, 5290312456), (8, 2645156228), (11, 1923749984), (13, 1627788448), (16, 1322578114), (22, 961874992), (26, 813894224), (32, 661289057), (44, 480937496), (52, 406947112), (88, 240468748), (104, 203473556), (143, 147980768), (169, 125214496), (176, 120234374), (208, 101736778), (286, 73990384), (338, 62607248), (352, 60117187), (416, 50868389), (572, 36995192), (676, 31303624), (1144, 18497596), (1352, 15651812), (1859, 11383136), (2288, 9248798), (2704, 7825906), (3718, 5691568), (4576, 4624399), (5408, 3912953), (7436, 2845784), (14872, 1422892), (29744, 711446), (59488, 355723)]