21836738

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 23782462

約数列:

[1, 2, 7, 11, 14, 17, 19, 22, 34, 38, 77, 119, 133, 154, 187, 209, 238, 266, 323, 374, 418, 439, 646, 878, 1309, 1463, 2261, 2618, 2926, 3073, 3553, 4522, 4829, 6146, 7106, 7463, 8341, 9658, 14926, 16682, 24871, 33803, 49742, 52241, 58387, 67606, 82093, 91751, 104482, 116774, 141797, 164186, 183502, 283594, 574651, 642257, 992579, 1149302, 1284514, 1559767, 1985158, 3119534, 10918369, 21836738]

約数ペア:

[(1, 21836738), (2, 10918369), (7, 3119534), (11, 1985158), (14, 1559767), (17, 1284514), (19, 1149302), (22, 992579), (34, 642257), (38, 574651), (77, 283594), (119, 183502), (133, 164186), (154, 141797), (187, 116774), (209, 104482), (238, 91751), (266, 82093), (323, 67606), (374, 58387), (418, 52241), (439, 49742), (646, 33803), (878, 24871), (1309, 16682), (1463, 14926), (2261, 9658), (2618, 8341), (2926, 7463), (3073, 7106), (3553, 6146), (4522, 4829)]