21674548

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5569}}^1$

素因数の和:5719

約数の個数: 24

約数和(自身を含む): 43668800

約数和(自身を除く): 21994252

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5569, 11138, 22276, 38983, 77966, 155932, 774091, 1548182, 3096364, 5418637, 10837274, 21674548]

約数ペア:

[(1, 21674548), (2, 10837274), (4, 5418637), (7, 3096364), (14, 1548182), (28, 774091), (139, 155932), (278, 77966), (556, 38983), (973, 22276), (1946, 11138), (3892, 5569)]