21577743

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12821}}^1$

素因数の和:12855

約数の個数: 24

約数和(自身を含む): 36004176

約数和(自身を除く): 14426433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12821, 38463, 115389, 141031, 217957, 423093, 653871, 1269279, 1961613, 2397527, 7192581, 21577743]

約数ペア:

[(1, 21577743), (3, 7192581), (9, 2397527), (11, 1961613), (17, 1269279), (33, 653871), (51, 423093), (99, 217957), (153, 141031), (187, 115389), (561, 38463), (1683, 12821)]