21288996

素因数分解:

$2^2\times 3^2\times {\mathrm{769}}^2$

素因数の和:1548

約数の個数: 27

約数和(自身を含む): 53883921

約数和(自身を除く): 32594925

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 769, 1538, 2307, 3076, 4614, 6921, 9228, 13842, 27684, 591361, 1182722, 1774083, 2365444, 3548166, 5322249, 7096332, 10644498, 21288996]

約数ペア:

[(1, 21288996), (2, 10644498), (3, 7096332), (4, 5322249), (6, 3548166), (9, 2365444), (12, 1774083), (18, 1182722), (36, 591361), (769, 27684), (1538, 13842), (2307, 9228), (3076, 6921)]