16821684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 46938528

約数和(自身を除く): 30116844

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 107, 132, 198, 214, 321, 396, 397, 428, 642, 794, 963, 1177, 1191, 1284, 1588, 1926, 2354, 2382, 3531, 3573, 3852, 4367, 4708, 4764, 7062, 7146, 8734, 10593, 13101, 14124, 14292, 17468, 21186, 26202, 39303, 42372, 42479, 52404, 78606, 84958, 127437, 157212, 169916, 254874, 382311, 467269, 509748, 764622, 934538, 1401807, 1529244, 1869076, 2803614, 4205421, 5607228, 8410842, 16821684]

約数ペア:

[(1, 16821684), (2, 8410842), (3, 5607228), (4, 4205421), (6, 2803614), (9, 1869076), (11, 1529244), (12, 1401807), (18, 934538), (22, 764622), (33, 509748), (36, 467269), (44, 382311), (66, 254874), (99, 169916), (107, 157212), (132, 127437), (198, 84958), (214, 78606), (321, 52404), (396, 42479), (397, 42372), (428, 39303), (642, 26202), (794, 21186), (963, 17468), (1177, 14292), (1191, 14124), (1284, 13101), (1588, 10593), (1926, 8734), (2354, 7146), (2382, 7062), (3531, 4764), (3573, 4708), (3852, 4367)]