21330738

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8287}}^1$

素因数の和:8319

約数の個数: 48

約数和(自身を含む): 54302976

約数和(自身を除く): 32972238

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8287, 16574, 24861, 49722, 74583, 91157, 107731, 149166, 182314, 215462, 273471, 323193, 546942, 646386, 820413, 969579, 1185041, 1640826, 1939158, 2370082, 3555123, 7110246, 10665369, 21330738]

約数ペア:

[(1, 21330738), (2, 10665369), (3, 7110246), (6, 3555123), (9, 2370082), (11, 1939158), (13, 1640826), (18, 1185041), (22, 969579), (26, 820413), (33, 646386), (39, 546942), (66, 323193), (78, 273471), (99, 215462), (117, 182314), (143, 149166), (198, 107731), (234, 91157), (286, 74583), (429, 49722), (858, 24861), (1287, 16574), (2574, 8287)]