21092478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1753

約数の個数: 48

約数和(自身を含む): 49124880

約数和(自身を除く): 28032402

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 121, 187, 242, 363, 374, 561, 726, 1122, 1709, 2057, 3418, 4114, 5127, 6171, 10254, 12342, 18799, 29053, 37598, 56397, 58106, 87159, 112794, 174318, 206789, 319583, 413578, 620367, 639166, 958749, 1240734, 1917498, 3515413, 7030826, 10546239, 21092478]

約数ペア:

[(1, 21092478), (2, 10546239), (3, 7030826), (6, 3515413), (11, 1917498), (17, 1240734), (22, 958749), (33, 639166), (34, 620367), (51, 413578), (66, 319583), (102, 206789), (121, 174318), (187, 112794), (242, 87159), (363, 58106), (374, 56397), (561, 37598), (726, 29053), (1122, 18799), (1709, 12342), (2057, 10254), (3418, 6171), (4114, 5127)]