21138924244

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4639799}}^1$

素因数の和:4639887

約数の個数: 24

約数和(自身を含む): 39753806400

約数和(自身を除く): 18614882156

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 4639799, 9279598, 18559196, 78876583, 157753166, 310866533, 315506332, 621733066, 1243466132, 5284731061, 10569462122, 21138924244]

約数ペア:

[(1, 21138924244), (2, 10569462122), (4, 5284731061), (17, 1243466132), (34, 621733066), (67, 315506332), (68, 310866533), (134, 157753166), (268, 78876583), (1139, 18559196), (2278, 9279598), (4556, 4639799)]