21013344

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 180

約数和(自身を含む): 68942412

約数和(自身を除く): 47929068

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 67, 72, 81, 88, 96, 99, 108, 121, 132, 134, 144, 162, 176, 198, 201, 216, 242, 264, 268, 288, 297, 324, 352, 363, 396, 402, 432, 484, 528, 536, 594, 603, 648, 726, 737, 792, 804, 864, 891, 968, 1056, 1072, 1089, 1188, 1206, 1296, 1452, 1474, 1584, 1608, 1782, 1809, 1936, 2144, 2178, 2211, 2376, 2412, 2592, 2904, 2948, 3168, 3216, 3267, 3564, 3618, 3872, 4356, 4422, 4752, 4824, 5427, 5808, 5896, 6432, 6534, 6633, 7128, 7236, 8107, 8712, 8844, 9504, 9648, 9801, 10854, 11616, 11792, 13068, 13266, 14256, 14472, 16214, 17424, 17688, 19296, 19602, 19899, 21708, 23584, 24321, 26136, 26532, 28512, 28944, 32428, 34848, 35376, 39204, 39798, 43416, 48642, 52272, 53064, 57888, 59697, 64856, 70752, 72963, 78408, 79596, 86832, 97284, 104544, 106128, 119394, 129712, 145926, 156816, 159192, 173664, 194568, 212256, 218889, 238788, 259424, 291852, 313632, 318384, 389136, 437778, 477576, 583704, 636768, 656667, 778272, 875556, 955152, 1167408, 1313334, 1751112, 1910304, 2334816, 2626668, 3502224, 5253336, 7004448, 10506672, 21013344]

約数ペア:

[(1, 21013344), (2, 10506672), (3, 7004448), (4, 5253336), (6, 3502224), (8, 2626668), (9, 2334816), (11, 1910304), (12, 1751112), (16, 1313334), (18, 1167408), (22, 955152), (24, 875556), (27, 778272), (32, 656667), (33, 636768), (36, 583704), (44, 477576), (48, 437778), (54, 389136), (66, 318384), (67, 313632), (72, 291852), (81, 259424), (88, 238788), (96, 218889), (99, 212256), (108, 194568), (121, 173664), (132, 159192), (134, 156816), (144, 145926), (162, 129712), (176, 119394), (198, 106128), (201, 104544), (216, 97284), (242, 86832), (264, 79596), (268, 78408), (288, 72963), (297, 70752), (324, 64856), (352, 59697), (363, 57888), (396, 53064), (402, 52272), (432, 48642), (484, 43416), (528, 39798), (536, 39204), (594, 35376), (603, 34848), (648, 32428), (726, 28944), (737, 28512), (792, 26532), (804, 26136), (864, 24321), (891, 23584), (968, 21708), (1056, 19899), (1072, 19602), (1089, 19296), (1188, 17688), (1206, 17424), (1296, 16214), (1452, 14472), (1474, 14256), (1584, 13266), (1608, 13068), (1782, 11792), (1809, 11616), (1936, 10854), (2144, 9801), (2178, 9648), (2211, 9504), (2376, 8844), (2412, 8712), (2592, 8107), (2904, 7236), (2948, 7128), (3168, 6633), (3216, 6534), (3267, 6432), (3564, 5896), (3618, 5808), (3872, 5427), (4356, 4824), (4422, 4752)]