21683788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40759}}^1$

素因数の和:40789

約数の個数: 24

約数和(自身を含む): 45651200

約数和(自身を除く): 23967412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40759, 81518, 163036, 285313, 570626, 774421, 1141252, 1548842, 3097684, 5420947, 10841894, 21683788]

約数ペア:

[(1, 21683788), (2, 10841894), (4, 5420947), (7, 3097684), (14, 1548842), (19, 1141252), (28, 774421), (38, 570626), (76, 285313), (133, 163036), (266, 81518), (532, 40759)]