21421598

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 17188834

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 121, 127, 187, 242, 254, 374, 451, 697, 902, 1394, 1397, 2057, 2159, 2794, 4114, 4318, 4961, 5207, 7667, 9922, 10414, 15334, 15367, 23749, 30734, 47498, 57277, 84337, 88519, 114554, 168674, 177038, 261239, 522478, 630047, 973709, 1260094, 1947418, 10710799, 21421598]

約数ペア:

[(1, 21421598), (2, 10710799), (11, 1947418), (17, 1260094), (22, 973709), (34, 630047), (41, 522478), (82, 261239), (121, 177038), (127, 168674), (187, 114554), (242, 88519), (254, 84337), (374, 57277), (451, 47498), (697, 30734), (902, 23749), (1394, 15367), (1397, 15334), (2057, 10414), (2159, 9922), (2794, 7667), (4114, 5207), (4318, 4961)]