21736407

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 36656640

約数和(自身を除く): 14920233

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1289, 1533, 2409, 3867, 5621, 9023, 14179, 16863, 27069, 42537, 94097, 99253, 282291, 297759, 658679, 1035067, 1976037, 3105201, 7245469, 21736407]

約数ペア:

[(1, 21736407), (3, 7245469), (7, 3105201), (11, 1976037), (21, 1035067), (33, 658679), (73, 297759), (77, 282291), (219, 99253), (231, 94097), (511, 42537), (803, 27069), (1289, 16863), (1533, 14179), (2409, 9023), (3867, 5621)]