21543984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 78923520

約数和(自身を除く): 57379536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 29, 33, 36, 42, 44, 48, 56, 58, 63, 66, 67, 72, 77, 84, 87, 88, 99, 112, 116, 126, 132, 134, 144, 154, 168, 174, 176, 198, 201, 203, 231, 232, 252, 261, 264, 268, 308, 319, 336, 348, 396, 402, 406, 462, 464, 469, 504, 522, 528, 536, 603, 609, 616, 638, 693, 696, 737, 792, 804, 812, 924, 938, 957, 1008, 1044, 1072, 1206, 1218, 1232, 1276, 1386, 1392, 1407, 1474, 1584, 1608, 1624, 1827, 1848, 1876, 1914, 1943, 2088, 2211, 2233, 2412, 2436, 2552, 2772, 2814, 2871, 2948, 3216, 3248, 3654, 3696, 3752, 3828, 3886, 4176, 4221, 4422, 4466, 4824, 4872, 5104, 5159, 5544, 5628, 5742, 5829, 5896, 6633, 6699, 7308, 7504, 7656, 7772, 8442, 8844, 8932, 9648, 9744, 10318, 11088, 11256, 11484, 11658, 11792, 13266, 13398, 13601, 14616, 15312, 15477, 15544, 16884, 17487, 17688, 17864, 20097, 20636, 21373, 22512, 22968, 23316, 26532, 26796, 27202, 29232, 30954, 31088, 33768, 34974, 35376, 35728, 40194, 40803, 41272, 42746, 45936, 46431, 46632, 53064, 53592, 54404, 61908, 64119, 67536, 69948, 80388, 81606, 82544, 85492, 92862, 93264, 106128, 107184, 108808, 122409, 123816, 128238, 139896, 149611, 160776, 163212, 170984, 185724, 192357, 217616, 244818, 247632, 256476, 279792, 299222, 321552, 326424, 341968, 371448, 384714, 448833, 489636, 512952, 598444, 652848, 742896, 769428, 897666, 979272, 1025904, 1196888, 1346499, 1538856, 1795332, 1958544, 2393776, 2692998, 3077712, 3590664, 5385996, 7181328, 10771992, 21543984]

約数ペア:

[(1, 21543984), (2, 10771992), (3, 7181328), (4, 5385996), (6, 3590664), (7, 3077712), (8, 2692998), (9, 2393776), (11, 1958544), (12, 1795332), (14, 1538856), (16, 1346499), (18, 1196888), (21, 1025904), (22, 979272), (24, 897666), (28, 769428), (29, 742896), (33, 652848), (36, 598444), (42, 512952), (44, 489636), (48, 448833), (56, 384714), (58, 371448), (63, 341968), (66, 326424), (67, 321552), (72, 299222), (77, 279792), (84, 256476), (87, 247632), (88, 244818), (99, 217616), (112, 192357), (116, 185724), (126, 170984), (132, 163212), (134, 160776), (144, 149611), (154, 139896), (168, 128238), (174, 123816), (176, 122409), (198, 108808), (201, 107184), (203, 106128), (231, 93264), (232, 92862), (252, 85492), (261, 82544), (264, 81606), (268, 80388), (308, 69948), (319, 67536), (336, 64119), (348, 61908), (396, 54404), (402, 53592), (406, 53064), (462, 46632), (464, 46431), (469, 45936), (504, 42746), (522, 41272), (528, 40803), (536, 40194), (603, 35728), (609, 35376), (616, 34974), (638, 33768), (693, 31088), (696, 30954), (737, 29232), (792, 27202), (804, 26796), (812, 26532), (924, 23316), (938, 22968), (957, 22512), (1008, 21373), (1044, 20636), (1072, 20097), (1206, 17864), (1218, 17688), (1232, 17487), (1276, 16884), (1386, 15544), (1392, 15477), (1407, 15312), (1474, 14616), (1584, 13601), (1608, 13398), (1624, 13266), (1827, 11792), (1848, 11658), (1876, 11484), (1914, 11256), (1943, 11088), (2088, 10318), (2211, 9744), (2233, 9648), (2412, 8932), (2436, 8844), (2552, 8442), (2772, 7772), (2814, 7656), (2871, 7504), (2948, 7308), (3216, 6699), (3248, 6633), (3654, 5896), (3696, 5829), (3752, 5742), (3828, 5628), (3886, 5544), (4176, 5159), (4221, 5104), (4422, 4872), (4466, 4824)]