21332826

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 26234694

約数列:

[1, 2, 3, 6, 9, 18, 83, 109, 131, 166, 218, 249, 262, 327, 393, 498, 654, 747, 786, 981, 1179, 1494, 1962, 2358, 9047, 10873, 14279, 18094, 21746, 27141, 28558, 32619, 42837, 54282, 65238, 81423, 85674, 97857, 128511, 162846, 195714, 257022, 1185157, 2370314, 3555471, 7110942, 10666413, 21332826]

約数ペア:

[(1, 21332826), (2, 10666413), (3, 7110942), (6, 3555471), (9, 2370314), (18, 1185157), (83, 257022), (109, 195714), (131, 162846), (166, 128511), (218, 97857), (249, 85674), (262, 81423), (327, 65238), (393, 54282), (498, 42837), (654, 32619), (747, 28558), (786, 27141), (981, 21746), (1179, 18094), (1494, 14279), (1962, 10873), (2358, 9047)]