21554946

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 58631040

約数和(自身を除く): 37076094

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 29, 34, 42, 51, 58, 63, 87, 102, 119, 126, 153, 174, 203, 238, 261, 306, 347, 357, 406, 493, 522, 609, 694, 714, 986, 1041, 1071, 1218, 1479, 1827, 2082, 2142, 2429, 2958, 3123, 3451, 3654, 4437, 4858, 5899, 6246, 6902, 7287, 8874, 10063, 10353, 11798, 14574, 17697, 20126, 20706, 21861, 30189, 31059, 35394, 41293, 43722, 53091, 60378, 62118, 70441, 82586, 90567, 106182, 123879, 140882, 171071, 181134, 211323, 247758, 342142, 371637, 422646, 513213, 633969, 743274, 1026426, 1197497, 1267938, 1539639, 2394994, 3079278, 3592491, 7184982, 10777473, 21554946]

約数ペア:

[(1, 21554946), (2, 10777473), (3, 7184982), (6, 3592491), (7, 3079278), (9, 2394994), (14, 1539639), (17, 1267938), (18, 1197497), (21, 1026426), (29, 743274), (34, 633969), (42, 513213), (51, 422646), (58, 371637), (63, 342142), (87, 247758), (102, 211323), (119, 181134), (126, 171071), (153, 140882), (174, 123879), (203, 106182), (238, 90567), (261, 82586), (306, 70441), (347, 62118), (357, 60378), (406, 53091), (493, 43722), (522, 41293), (609, 35394), (694, 31059), (714, 30189), (986, 21861), (1041, 20706), (1071, 20126), (1218, 17697), (1479, 14574), (1827, 11798), (2082, 10353), (2142, 10063), (2429, 8874), (2958, 7287), (3123, 6902), (3451, 6246), (3654, 5899), (4437, 4858)]