21058308

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1857

約数の個数: 72

約数和(自身を含む): 59361120

約数和(自身を除く): 38302812

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1811, 1938, 2907, 3622, 3876, 5433, 5814, 7244, 10866, 11628, 16299, 21732, 30787, 32598, 34409, 61574, 65196, 68818, 92361, 103227, 123148, 137636, 184722, 206454, 277083, 309681, 369444, 412908, 554166, 584953, 619362, 1108332, 1169906, 1238724, 1754859, 2339812, 3509718, 5264577, 7019436, 10529154, 21058308]

約数ペア:

[(1, 21058308), (2, 10529154), (3, 7019436), (4, 5264577), (6, 3509718), (9, 2339812), (12, 1754859), (17, 1238724), (18, 1169906), (19, 1108332), (34, 619362), (36, 584953), (38, 554166), (51, 412908), (57, 369444), (68, 309681), (76, 277083), (102, 206454), (114, 184722), (153, 137636), (171, 123148), (204, 103227), (228, 92361), (306, 68818), (323, 65196), (342, 61574), (612, 34409), (646, 32598), (684, 30787), (969, 21732), (1292, 16299), (1811, 11628), (1938, 10866), (2907, 7244), (3622, 5814), (3876, 5433)]