21314216

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4943}}^1$

素因数の和:4974

約数の個数: 48

約数和(自身を含む): 50725440

約数和(自身を除く): 29411224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4943, 9886, 19772, 34601, 39544, 54373, 69202, 108746, 138404, 217492, 242207, 276808, 380611, 434984, 484414, 761222, 968828, 1522444, 1937656, 2664277, 3044888, 5328554, 10657108, 21314216]

約数ペア:

[(1, 21314216), (2, 10657108), (4, 5328554), (7, 3044888), (8, 2664277), (11, 1937656), (14, 1522444), (22, 968828), (28, 761222), (44, 484414), (49, 434984), (56, 380611), (77, 276808), (88, 242207), (98, 217492), (154, 138404), (196, 108746), (308, 69202), (392, 54373), (539, 39544), (616, 34601), (1078, 19772), (2156, 9886), (4312, 4943)]