21485655191

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1\times {\mathrm{1901}}^1$

素因数の和:3552

約数の個数: 48

約数和(自身を含む): 29396672928

約数和(自身を除く): 7911017737

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 1613, 1901, 7007, 11291, 13307, 17743, 20911, 20969, 24713, 79037, 93149, 124201, 146377, 146783, 172991, 230659, 271843, 869407, 1024639, 1027481, 1210937, 1614613, 1902901, 3066313, 11302291, 13320307, 21464191, 33729443, 39862069, 150249337, 236106101, 279034483, 438482759, 1652742707, 1953241381, 3069379313, 21485655191]

約数ペア:

[(1, 21485655191), (7, 3069379313), (11, 1953241381), (13, 1652742707), (49, 438482759), (77, 279034483), (91, 236106101), (143, 150249337), (539, 39862069), (637, 33729443), (1001, 21464191), (1613, 13320307), (1901, 11302291), (7007, 3066313), (11291, 1902901), (13307, 1614613), (17743, 1210937), (20911, 1027481), (20969, 1024639), (24713, 869407), (79037, 271843), (93149, 230659), (124201, 172991), (146377, 146783)]