21585773

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 24572160

約数和(自身を除く): 2986387

約数列:

[1, 11, 29, 157, 319, 431, 1727, 4553, 4741, 12499, 50083, 67667, 137489, 744337, 1962343, 21585773]

約数ペア:

[(1, 21585773), (11, 1962343), (29, 744337), (157, 137489), (319, 67667), (431, 50083), (1727, 12499), (4553, 4741)]