21360892

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6007}}^1$

素因数の和:6145

約数の個数: 24

約数和(自身を含む): 43065344

約数和(自身を除く): 21704452

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 6007, 12014, 24028, 42049, 84098, 168196, 762889, 1525778, 3051556, 5340223, 10680446, 21360892]

約数ペア:

[(1, 21360892), (2, 10680446), (4, 5340223), (7, 3051556), (14, 1525778), (28, 762889), (127, 168196), (254, 84098), (508, 42049), (889, 24028), (1778, 12014), (3556, 6007)]