21351076

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1787}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 39049920

約数和(自身を除く): 17698844

約数列:

[1, 2, 4, 29, 58, 103, 116, 206, 412, 1787, 2987, 3574, 5974, 7148, 11948, 51823, 103646, 184061, 207292, 368122, 736244, 5337769, 10675538, 21351076]

約数ペア:

[(1, 21351076), (2, 10675538), (4, 5337769), (29, 736244), (58, 368122), (103, 207292), (116, 184061), (206, 103646), (412, 51823), (1787, 11948), (2987, 7148), (3574, 5974)]