21846461

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 27581760

約数和(自身を除く): 5735299

約数列:

[1, 7, 13, 59, 91, 169, 313, 413, 767, 1183, 2191, 4069, 5369, 9971, 18467, 28483, 52897, 69797, 129269, 240071, 370279, 1680497, 3120923, 21846461]

約数ペア:

[(1, 21846461), (7, 3120923), (13, 1680497), (59, 370279), (91, 240071), (169, 129269), (313, 69797), (413, 52897), (767, 28483), (1183, 18467), (2191, 9971), (4069, 5369)]