21066894

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26107506

約数列:

[1, 2, 3, 6, 9, 18, 59, 83, 118, 166, 177, 239, 249, 354, 478, 498, 531, 717, 747, 1062, 1434, 1494, 2151, 4302, 4897, 9794, 14101, 14691, 19837, 28202, 29382, 39674, 42303, 44073, 59511, 84606, 88146, 119022, 126909, 178533, 253818, 357066, 1170383, 2340766, 3511149, 7022298, 10533447, 21066894]

約数ペア:

[(1, 21066894), (2, 10533447), (3, 7022298), (6, 3511149), (9, 2340766), (18, 1170383), (59, 357066), (83, 253818), (118, 178533), (166, 126909), (177, 119022), (239, 88146), (249, 84606), (354, 59511), (478, 44073), (498, 42303), (531, 39674), (717, 29382), (747, 28202), (1062, 19837), (1434, 14691), (1494, 14101), (2151, 9794), (4302, 4897)]