21787584

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 224

約数和(自身を含む): 75102720

約数和(自身を除く): 53315136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 29, 32, 39, 42, 43, 48, 52, 56, 58, 64, 78, 84, 86, 87, 91, 96, 104, 112, 116, 129, 156, 168, 172, 174, 182, 192, 203, 208, 224, 232, 258, 273, 301, 312, 336, 344, 348, 364, 377, 406, 416, 448, 464, 516, 546, 559, 602, 609, 624, 672, 688, 696, 728, 754, 812, 832, 903, 928, 1032, 1092, 1118, 1131, 1204, 1218, 1247, 1248, 1344, 1376, 1392, 1456, 1508, 1624, 1677, 1806, 1856, 2064, 2184, 2236, 2262, 2408, 2436, 2494, 2496, 2639, 2752, 2784, 2912, 3016, 3248, 3354, 3612, 3741, 3913, 4128, 4368, 4472, 4524, 4816, 4872, 4988, 5278, 5568, 5824, 6032, 6496, 6708, 7224, 7482, 7826, 7917, 8256, 8729, 8736, 8944, 9048, 9632, 9744, 9976, 10556, 11739, 12064, 12992, 13416, 14448, 14964, 15652, 15834, 16211, 17458, 17472, 17888, 18096, 19264, 19488, 19952, 21112, 23478, 24128, 26187, 26832, 28896, 29928, 31304, 31668, 32422, 34916, 35776, 36192, 38976, 39904, 42224, 46956, 48633, 52374, 53664, 57792, 59856, 62608, 63336, 64844, 69832, 72384, 79808, 84448, 93912, 97266, 104748, 107328, 113477, 119712, 125216, 126672, 129688, 139664, 168896, 187824, 194532, 209496, 226954, 239424, 250432, 253344, 259376, 279328, 340431, 375648, 389064, 418992, 453908, 506688, 518752, 558656, 680862, 751296, 778128, 837984, 907816, 1037504, 1361724, 1556256, 1675968, 1815632, 2723448, 3112512, 3631264, 5446896, 7262528, 10893792, 21787584]

約数ペア:

[(1, 21787584), (2, 10893792), (3, 7262528), (4, 5446896), (6, 3631264), (7, 3112512), (8, 2723448), (12, 1815632), (13, 1675968), (14, 1556256), (16, 1361724), (21, 1037504), (24, 907816), (26, 837984), (28, 778128), (29, 751296), (32, 680862), (39, 558656), (42, 518752), (43, 506688), (48, 453908), (52, 418992), (56, 389064), (58, 375648), (64, 340431), (78, 279328), (84, 259376), (86, 253344), (87, 250432), (91, 239424), (96, 226954), (104, 209496), (112, 194532), (116, 187824), (129, 168896), (156, 139664), (168, 129688), (172, 126672), (174, 125216), (182, 119712), (192, 113477), (203, 107328), (208, 104748), (224, 97266), (232, 93912), (258, 84448), (273, 79808), (301, 72384), (312, 69832), (336, 64844), (344, 63336), (348, 62608), (364, 59856), (377, 57792), (406, 53664), (416, 52374), (448, 48633), (464, 46956), (516, 42224), (546, 39904), (559, 38976), (602, 36192), (609, 35776), (624, 34916), (672, 32422), (688, 31668), (696, 31304), (728, 29928), (754, 28896), (812, 26832), (832, 26187), (903, 24128), (928, 23478), (1032, 21112), (1092, 19952), (1118, 19488), (1131, 19264), (1204, 18096), (1218, 17888), (1247, 17472), (1248, 17458), (1344, 16211), (1376, 15834), (1392, 15652), (1456, 14964), (1508, 14448), (1624, 13416), (1677, 12992), (1806, 12064), (1856, 11739), (2064, 10556), (2184, 9976), (2236, 9744), (2262, 9632), (2408, 9048), (2436, 8944), (2494, 8736), (2496, 8729), (2639, 8256), (2752, 7917), (2784, 7826), (2912, 7482), (3016, 7224), (3248, 6708), (3354, 6496), (3612, 6032), (3741, 5824), (3913, 5568), (4128, 5278), (4368, 4988), (4472, 4872), (4524, 4816)]