21449968276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{19889}}^1$

素因数の和:20224

約数の個数: 48

約数和(自身を含む): 41488312320

約数和(自身を除く): 20038344044

約数列:

[1, 2, 4, 11, 22, 44, 127, 193, 254, 386, 508, 772, 1397, 2123, 2794, 4246, 5588, 8492, 19889, 24511, 39778, 49022, 79556, 98044, 218779, 269621, 437558, 539242, 875116, 1078484, 2525903, 3838577, 5051806, 7677154, 10103612, 15354308, 27784933, 42224347, 55569866, 84448694, 111139732, 168897388, 487499279, 974998558, 1949997116, 5362492069, 10724984138, 21449968276]

約数ペア:

[(1, 21449968276), (2, 10724984138), (4, 5362492069), (11, 1949997116), (22, 974998558), (44, 487499279), (127, 168897388), (193, 111139732), (254, 84448694), (386, 55569866), (508, 42224347), (772, 27784933), (1397, 15354308), (2123, 10103612), (2794, 7677154), (4246, 5051806), (5588, 3838577), (8492, 2525903), (19889, 1078484), (24511, 875116), (39778, 539242), (49022, 437558), (79556, 269621), (98044, 218779)]