21339756

素因数分解:

$2^2\times 3^2\times {\mathrm{613}}^1\times {\mathrm{967}}^1$

素因数の和:1590

約数の個数: 36

約数和(自身を含む): 54086032

約数和(自身を除く): 32746276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 613, 967, 1226, 1839, 1934, 2452, 2901, 3678, 3868, 5517, 5802, 7356, 8703, 11034, 11604, 17406, 22068, 34812, 592771, 1185542, 1778313, 2371084, 3556626, 5334939, 7113252, 10669878, 21339756]

約数ペア:

[(1, 21339756), (2, 10669878), (3, 7113252), (4, 5334939), (6, 3556626), (9, 2371084), (12, 1778313), (18, 1185542), (36, 592771), (613, 34812), (967, 22068), (1226, 17406), (1839, 11604), (1934, 11034), (2452, 8703), (2901, 7356), (3678, 5802), (3868, 5517)]