21179774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 40110336

約数和(自身を除く): 18930562

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 581, 913, 1162, 1657, 1826, 3314, 6391, 11599, 12782, 18227, 23198, 36454, 127589, 137531, 255178, 275062, 962717, 1512841, 1925434, 3025682, 10589887, 21179774]

約数ペア:

[(1, 21179774), (2, 10589887), (7, 3025682), (11, 1925434), (14, 1512841), (22, 962717), (77, 275062), (83, 255178), (154, 137531), (166, 127589), (581, 36454), (913, 23198), (1162, 18227), (1657, 12782), (1826, 11599), (3314, 6391)]