21693573

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{607}}^1$

素因数の和:662

約数の個数: 36

約数和(自身を含む): 36137088

約数和(自身を除く): 14443515

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 361, 607, 627, 1083, 1821, 1881, 3249, 3971, 5463, 6677, 11533, 11913, 20031, 34599, 35739, 60093, 103797, 126863, 219127, 380589, 657381, 1141767, 1972143, 2410397, 7231191, 21693573]

約数ペア:

[(1, 21693573), (3, 7231191), (9, 2410397), (11, 1972143), (19, 1141767), (33, 657381), (57, 380589), (99, 219127), (171, 126863), (209, 103797), (361, 60093), (607, 35739), (627, 34599), (1083, 20031), (1821, 11913), (1881, 11533), (3249, 6677), (3971, 5463)]