21452102

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 40506480

約数和(自身を除く): 19054378

約数列:

[1, 2, 7, 14, 19, 38, 41, 49, 82, 98, 133, 266, 281, 287, 562, 574, 779, 931, 1558, 1862, 1967, 2009, 3934, 4018, 5339, 5453, 10678, 10906, 11521, 13769, 23042, 27538, 37373, 38171, 74746, 76342, 80647, 161294, 218899, 261611, 437798, 523222, 564529, 1129058, 1532293, 3064586, 10726051, 21452102]

約数ペア:

[(1, 21452102), (2, 10726051), (7, 3064586), (14, 1532293), (19, 1129058), (38, 564529), (41, 523222), (49, 437798), (82, 261611), (98, 218899), (133, 161294), (266, 80647), (281, 76342), (287, 74746), (562, 38171), (574, 37373), (779, 27538), (931, 23042), (1558, 13769), (1862, 11521), (1967, 10906), (2009, 10678), (3934, 5453), (4018, 5339)]