21055914

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 54475200

約数和(自身を除く): 33419286

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 29, 33, 38, 57, 58, 66, 87, 99, 114, 171, 174, 193, 198, 209, 261, 319, 342, 386, 418, 522, 551, 579, 627, 638, 957, 1102, 1158, 1254, 1653, 1737, 1881, 1914, 2123, 2871, 3306, 3474, 3667, 3762, 4246, 4959, 5597, 5742, 6061, 6369, 7334, 9918, 11001, 11194, 12122, 12738, 16791, 18183, 19107, 22002, 33003, 33582, 36366, 38214, 40337, 50373, 54549, 61567, 66006, 80674, 100746, 106343, 109098, 121011, 123134, 184701, 212686, 242022, 319029, 363033, 369402, 554103, 638058, 726066, 957087, 1108206, 1169773, 1914174, 2339546, 3509319, 7018638, 10527957, 21055914]

約数ペア:

[(1, 21055914), (2, 10527957), (3, 7018638), (6, 3509319), (9, 2339546), (11, 1914174), (18, 1169773), (19, 1108206), (22, 957087), (29, 726066), (33, 638058), (38, 554103), (57, 369402), (58, 363033), (66, 319029), (87, 242022), (99, 212686), (114, 184701), (171, 123134), (174, 121011), (193, 109098), (198, 106343), (209, 100746), (261, 80674), (319, 66006), (342, 61567), (386, 54549), (418, 50373), (522, 40337), (551, 38214), (579, 36366), (627, 33582), (638, 33003), (957, 22002), (1102, 19107), (1158, 18183), (1254, 16791), (1653, 12738), (1737, 12122), (1881, 11194), (1914, 11001), (2123, 9918), (2871, 7334), (3306, 6369), (3474, 6061), (3667, 5742), (3762, 5597), (4246, 4959)]