21056112

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:249

約数の個数: 200

約数和(自身を含む): 76340352

約数和(自身を除く): 55284240

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 112, 126, 132, 144, 154, 162, 168, 176, 189, 198, 211, 216, 231, 252, 264, 297, 308, 324, 336, 378, 396, 422, 432, 462, 504, 528, 567, 594, 616, 633, 648, 693, 756, 792, 844, 891, 924, 1008, 1134, 1188, 1232, 1266, 1296, 1386, 1477, 1512, 1584, 1688, 1782, 1848, 1899, 2079, 2268, 2321, 2376, 2532, 2772, 2954, 3024, 3376, 3564, 3696, 3798, 4158, 4431, 4536, 4642, 4752, 5064, 5544, 5697, 5908, 6237, 6963, 7128, 7596, 8316, 8862, 9072, 9284, 10128, 11088, 11394, 11816, 12474, 13293, 13926, 14256, 15192, 16247, 16632, 17091, 17724, 18568, 20889, 22788, 23632, 24948, 26586, 27852, 30384, 32494, 33264, 34182, 35448, 37136, 39879, 41778, 45576, 48741, 49896, 53172, 55704, 62667, 64988, 68364, 70896, 79758, 83556, 91152, 97482, 99792, 106344, 111408, 119637, 125334, 129976, 136728, 146223, 159516, 167112, 188001, 194964, 212688, 239274, 250668, 259952, 273456, 292446, 319032, 334224, 376002, 389928, 438669, 478548, 501336, 584892, 638064, 752004, 779856, 877338, 957096, 1002672, 1169784, 1316007, 1504008, 1754676, 1914192, 2339568, 2632014, 3008016, 3509352, 5264028, 7018704, 10528056, 21056112]

約数ペア:

[(1, 21056112), (2, 10528056), (3, 7018704), (4, 5264028), (6, 3509352), (7, 3008016), (8, 2632014), (9, 2339568), (11, 1914192), (12, 1754676), (14, 1504008), (16, 1316007), (18, 1169784), (21, 1002672), (22, 957096), (24, 877338), (27, 779856), (28, 752004), (33, 638064), (36, 584892), (42, 501336), (44, 478548), (48, 438669), (54, 389928), (56, 376002), (63, 334224), (66, 319032), (72, 292446), (77, 273456), (81, 259952), (84, 250668), (88, 239274), (99, 212688), (108, 194964), (112, 188001), (126, 167112), (132, 159516), (144, 146223), (154, 136728), (162, 129976), (168, 125334), (176, 119637), (189, 111408), (198, 106344), (211, 99792), (216, 97482), (231, 91152), (252, 83556), (264, 79758), (297, 70896), (308, 68364), (324, 64988), (336, 62667), (378, 55704), (396, 53172), (422, 49896), (432, 48741), (462, 45576), (504, 41778), (528, 39879), (567, 37136), (594, 35448), (616, 34182), (633, 33264), (648, 32494), (693, 30384), (756, 27852), (792, 26586), (844, 24948), (891, 23632), (924, 22788), (1008, 20889), (1134, 18568), (1188, 17724), (1232, 17091), (1266, 16632), (1296, 16247), (1386, 15192), (1477, 14256), (1512, 13926), (1584, 13293), (1688, 12474), (1782, 11816), (1848, 11394), (1899, 11088), (2079, 10128), (2268, 9284), (2321, 9072), (2376, 8862), (2532, 8316), (2772, 7596), (2954, 7128), (3024, 6963), (3376, 6237), (3564, 5908), (3696, 5697), (3798, 5544), (4158, 5064), (4431, 4752), (4536, 4642)]