21165012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 43044588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 29, 33, 36, 38, 44, 57, 58, 66, 76, 87, 97, 99, 114, 116, 132, 171, 174, 194, 198, 209, 228, 261, 291, 319, 342, 348, 388, 396, 418, 522, 551, 582, 627, 638, 684, 836, 873, 957, 1044, 1067, 1102, 1164, 1254, 1276, 1653, 1746, 1843, 1881, 1914, 2134, 2204, 2508, 2813, 2871, 3201, 3306, 3492, 3686, 3762, 3828, 4268, 4959, 5529, 5626, 5742, 6061, 6402, 6612, 7372, 7524, 8439, 9603, 9918, 11058, 11252, 11484, 12122, 12804, 16587, 16878, 18183, 19206, 19836, 20273, 22116, 24244, 25317, 30943, 33174, 33756, 36366, 38412, 40546, 50634, 53447, 54549, 60819, 61886, 66348, 72732, 81092, 92829, 101268, 106894, 109098, 121638, 123772, 160341, 182457, 185658, 213788, 218196, 243276, 278487, 320682, 364914, 371316, 481023, 556974, 587917, 641364, 729828, 962046, 1113948, 1175834, 1763751, 1924092, 2351668, 3527502, 5291253, 7055004, 10582506, 21165012]

約数ペア:

[(1, 21165012), (2, 10582506), (3, 7055004), (4, 5291253), (6, 3527502), (9, 2351668), (11, 1924092), (12, 1763751), (18, 1175834), (19, 1113948), (22, 962046), (29, 729828), (33, 641364), (36, 587917), (38, 556974), (44, 481023), (57, 371316), (58, 364914), (66, 320682), (76, 278487), (87, 243276), (97, 218196), (99, 213788), (114, 185658), (116, 182457), (132, 160341), (171, 123772), (174, 121638), (194, 109098), (198, 106894), (209, 101268), (228, 92829), (261, 81092), (291, 72732), (319, 66348), (342, 61886), (348, 60819), (388, 54549), (396, 53447), (418, 50634), (522, 40546), (551, 38412), (582, 36366), (627, 33756), (638, 33174), (684, 30943), (836, 25317), (873, 24244), (957, 22116), (1044, 20273), (1067, 19836), (1102, 19206), (1164, 18183), (1254, 16878), (1276, 16587), (1653, 12804), (1746, 12122), (1843, 11484), (1881, 11252), (1914, 11058), (2134, 9918), (2204, 9603), (2508, 8439), (2813, 7524), (2871, 7372), (3201, 6612), (3306, 6402), (3492, 6061), (3686, 5742), (3762, 5626), (3828, 5529), (4268, 4959)]