21000298482

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{217219}}^1$

素因数の和:217399

約数の個数: 48

約数和(自身を含む): 46966439520

約数和(自身を除く): 25966141038

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 131, 246, 262, 369, 393, 738, 786, 1179, 2358, 5371, 10742, 16113, 32226, 48339, 96678, 217219, 434438, 651657, 1303314, 1954971, 3909942, 8905979, 17811958, 26717937, 28455689, 53435874, 56911378, 80153811, 85367067, 160307622, 170734134, 256101201, 512202402, 1166683249, 2333366498, 3500049747, 7000099494, 10500149241, 21000298482]

約数ペア:

[(1, 21000298482), (2, 10500149241), (3, 7000099494), (6, 3500049747), (9, 2333366498), (18, 1166683249), (41, 512202402), (82, 256101201), (123, 170734134), (131, 160307622), (246, 85367067), (262, 80153811), (369, 56911378), (393, 53435874), (738, 28455689), (786, 26717937), (1179, 17811958), (2358, 8905979), (5371, 3909942), (10742, 1954971), (16113, 1303314), (32226, 651657), (48339, 434438), (96678, 217219)]