21061082

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11311}}^1$

素因数の和:11346

約数の個数: 24

約数和(自身を含む): 38687040

約数和(自身を除く): 17625958

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11311, 22622, 79177, 158354, 214909, 429818, 554239, 1108478, 1504363, 3008726, 10530541, 21061082]

約数ペア:

[(1, 21061082), (2, 10530541), (7, 3008726), (14, 1504363), (19, 1108478), (38, 554239), (49, 429818), (98, 214909), (133, 158354), (266, 79177), (931, 22622), (1862, 11311)]