21027424

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 27743648

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 41, 44, 47, 62, 82, 88, 94, 124, 164, 176, 188, 248, 328, 341, 352, 376, 451, 496, 517, 656, 682, 752, 902, 992, 1034, 1271, 1312, 1364, 1457, 1504, 1804, 1927, 2068, 2542, 2728, 2914, 3608, 3854, 4136, 5084, 5456, 5828, 7216, 7708, 8272, 10168, 10912, 11656, 13981, 14432, 15416, 16027, 16544, 20336, 21197, 23312, 27962, 30832, 32054, 40672, 42394, 46624, 55924, 59737, 61664, 64108, 84788, 111848, 119474, 128216, 169576, 223696, 238948, 256432, 339152, 447392, 477896, 512864, 657107, 678304, 955792, 1314214, 1911584, 2628428, 5256856, 10513712, 21027424]

約数ペア:

[(1, 21027424), (2, 10513712), (4, 5256856), (8, 2628428), (11, 1911584), (16, 1314214), (22, 955792), (31, 678304), (32, 657107), (41, 512864), (44, 477896), (47, 447392), (62, 339152), (82, 256432), (88, 238948), (94, 223696), (124, 169576), (164, 128216), (176, 119474), (188, 111848), (248, 84788), (328, 64108), (341, 61664), (352, 59737), (376, 55924), (451, 46624), (496, 42394), (517, 40672), (656, 32054), (682, 30832), (752, 27962), (902, 23312), (992, 21197), (1034, 20336), (1271, 16544), (1312, 16027), (1364, 15416), (1457, 14432), (1504, 13981), (1804, 11656), (1927, 10912), (2068, 10168), (2542, 8272), (2728, 7708), (2914, 7216), (3608, 5828), (3854, 5456), (4136, 5084)]