21027303

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 34433280

約数和(自身を除く): 13405977

約数列:

[1, 3, 9, 11, 27, 33, 83, 99, 249, 297, 747, 853, 913, 2241, 2559, 2739, 7677, 8217, 9383, 23031, 24651, 28149, 70799, 84447, 212397, 253341, 637191, 778789, 1911573, 2336367, 7009101, 21027303]

約数ペア:

[(1, 21027303), (3, 7009101), (9, 2336367), (11, 1911573), (27, 778789), (33, 637191), (83, 253341), (99, 212397), (249, 84447), (297, 70799), (747, 28149), (853, 24651), (913, 23031), (2241, 9383), (2559, 8217), (2739, 7677)]