21794223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 32820480

約数和(自身を除く): 11026257

約数列:

[1, 3, 11, 33, 73, 83, 109, 219, 249, 327, 803, 913, 1199, 2409, 2739, 3597, 6059, 7957, 9047, 18177, 23871, 27141, 66649, 87527, 99517, 199947, 262581, 298551, 660431, 1981293, 7264741, 21794223]

約数ペア:

[(1, 21794223), (3, 7264741), (11, 1981293), (33, 660431), (73, 298551), (83, 262581), (109, 199947), (219, 99517), (249, 87527), (327, 66649), (803, 27141), (913, 23871), (1199, 18177), (2409, 9047), (2739, 7957), (3597, 6059)]