21756384

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 69174000

約数和(自身を除く): 47417616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 149, 156, 169, 208, 216, 234, 288, 298, 312, 338, 351, 416, 432, 447, 468, 507, 596, 624, 676, 702, 864, 894, 936, 1014, 1192, 1248, 1341, 1352, 1404, 1521, 1788, 1872, 1937, 2028, 2384, 2682, 2704, 2808, 3042, 3576, 3744, 3874, 4023, 4056, 4563, 4768, 5364, 5408, 5616, 5811, 6084, 7152, 7748, 8046, 8112, 9126, 10728, 11232, 11622, 12168, 14304, 15496, 16092, 16224, 17433, 18252, 21456, 23244, 24336, 25181, 30992, 32184, 34866, 36504, 42912, 46488, 48672, 50362, 52299, 61984, 64368, 69732, 73008, 75543, 92976, 100724, 104598, 128736, 139464, 146016, 151086, 185952, 201448, 209196, 226629, 278928, 302172, 402896, 418392, 453258, 557856, 604344, 679887, 805792, 836784, 906516, 1208688, 1359774, 1673568, 1813032, 2417376, 2719548, 3626064, 5439096, 7252128, 10878192, 21756384]

約数ペア:

[(1, 21756384), (2, 10878192), (3, 7252128), (4, 5439096), (6, 3626064), (8, 2719548), (9, 2417376), (12, 1813032), (13, 1673568), (16, 1359774), (18, 1208688), (24, 906516), (26, 836784), (27, 805792), (32, 679887), (36, 604344), (39, 557856), (48, 453258), (52, 418392), (54, 402896), (72, 302172), (78, 278928), (96, 226629), (104, 209196), (108, 201448), (117, 185952), (144, 151086), (149, 146016), (156, 139464), (169, 128736), (208, 104598), (216, 100724), (234, 92976), (288, 75543), (298, 73008), (312, 69732), (338, 64368), (351, 61984), (416, 52299), (432, 50362), (447, 48672), (468, 46488), (507, 42912), (596, 36504), (624, 34866), (676, 32184), (702, 30992), (864, 25181), (894, 24336), (936, 23244), (1014, 21456), (1192, 18252), (1248, 17433), (1341, 16224), (1352, 16092), (1404, 15496), (1521, 14304), (1788, 12168), (1872, 11622), (1937, 11232), (2028, 10728), (2384, 9126), (2682, 8112), (2704, 8046), (2808, 7748), (3042, 7152), (3576, 6084), (3744, 5811), (3874, 5616), (4023, 5408), (4056, 5364), (4563, 4768)]