21879583

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 26216960

約数和(自身を除く): 4337377

約数列:

[1, 11, 19, 31, 121, 209, 307, 341, 589, 2299, 3377, 3751, 5833, 6479, 9517, 37147, 64163, 71269, 104687, 180823, 705793, 1151557, 1989053, 21879583]

約数ペア:

[(1, 21879583), (11, 1989053), (19, 1151557), (31, 705793), (121, 180823), (209, 104687), (307, 71269), (341, 64163), (589, 37147), (2299, 9517), (3377, 6479), (3751, 5833)]