21337261

素因数分解:

${\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 32

約数和(自身を含む): 26562816

約数和(自身を除く): 5225555

約数列:

[1, 11, 17, 23, 41, 121, 187, 253, 391, 451, 697, 943, 1331, 2057, 2783, 4301, 4961, 7667, 10373, 16031, 22627, 30613, 47311, 54571, 84337, 114103, 176341, 520421, 927707, 1255133, 1939751, 21337261]

約数ペア:

[(1, 21337261), (11, 1939751), (17, 1255133), (23, 927707), (41, 520421), (121, 176341), (187, 114103), (253, 84337), (391, 54571), (451, 47311), (697, 30613), (943, 22627), (1331, 16031), (2057, 10373), (2783, 7667), (4301, 4961)]