21656544

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 72930816

約数和(自身を除く): 51274272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 37, 39, 42, 48, 52, 56, 67, 74, 78, 84, 91, 96, 104, 111, 112, 134, 148, 156, 168, 182, 201, 208, 222, 224, 259, 268, 273, 296, 312, 336, 364, 402, 416, 444, 469, 481, 518, 536, 546, 592, 624, 672, 728, 777, 804, 871, 888, 938, 962, 1036, 1072, 1092, 1184, 1248, 1407, 1443, 1456, 1554, 1608, 1742, 1776, 1876, 1924, 2072, 2144, 2184, 2479, 2613, 2814, 2886, 2912, 3108, 3216, 3367, 3484, 3552, 3752, 3848, 4144, 4368, 4958, 5226, 5628, 5772, 6097, 6216, 6432, 6734, 6968, 7437, 7504, 7696, 8288, 8736, 9916, 10101, 10452, 11256, 11544, 12194, 12432, 13468, 13936, 14874, 15008, 15392, 17353, 18291, 19832, 20202, 20904, 22512, 23088, 24388, 24864, 26936, 27872, 29748, 32227, 34706, 36582, 39664, 40404, 41808, 45024, 46176, 48776, 52059, 53872, 59496, 64454, 69412, 73164, 79328, 80808, 83616, 96681, 97552, 104118, 107744, 118992, 128908, 138824, 146328, 161616, 193362, 195104, 208236, 225589, 237984, 257816, 277648, 292656, 323232, 386724, 416472, 451178, 515632, 555296, 585312, 676767, 773448, 832944, 902356, 1031264, 1353534, 1546896, 1665888, 1804712, 2707068, 3093792, 3609424, 5414136, 7218848, 10828272, 21656544]

約数ペア:

[(1, 21656544), (2, 10828272), (3, 7218848), (4, 5414136), (6, 3609424), (7, 3093792), (8, 2707068), (12, 1804712), (13, 1665888), (14, 1546896), (16, 1353534), (21, 1031264), (24, 902356), (26, 832944), (28, 773448), (32, 676767), (37, 585312), (39, 555296), (42, 515632), (48, 451178), (52, 416472), (56, 386724), (67, 323232), (74, 292656), (78, 277648), (84, 257816), (91, 237984), (96, 225589), (104, 208236), (111, 195104), (112, 193362), (134, 161616), (148, 146328), (156, 138824), (168, 128908), (182, 118992), (201, 107744), (208, 104118), (222, 97552), (224, 96681), (259, 83616), (268, 80808), (273, 79328), (296, 73164), (312, 69412), (336, 64454), (364, 59496), (402, 53872), (416, 52059), (444, 48776), (469, 46176), (481, 45024), (518, 41808), (536, 40404), (546, 39664), (592, 36582), (624, 34706), (672, 32227), (728, 29748), (777, 27872), (804, 26936), (871, 24864), (888, 24388), (938, 23088), (962, 22512), (1036, 20904), (1072, 20202), (1092, 19832), (1184, 18291), (1248, 17353), (1407, 15392), (1443, 15008), (1456, 14874), (1554, 13936), (1608, 13468), (1742, 12432), (1776, 12194), (1876, 11544), (1924, 11256), (2072, 10452), (2144, 10101), (2184, 9916), (2479, 8736), (2613, 8288), (2814, 7696), (2886, 7504), (2912, 7437), (3108, 6968), (3216, 6734), (3367, 6432), (3484, 6216), (3552, 6097), (3752, 5772), (3848, 5628), (4144, 5226), (4368, 4958)]