21083556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135151}}^1$

素因数の和:135171

約数の個数: 24

約数和(自身を含む): 52979584

約数和(自身を除く): 31896028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135151, 270302, 405453, 540604, 810906, 1621812, 1756963, 3513926, 5270889, 7027852, 10541778, 21083556]

約数ペア:

[(1, 21083556), (2, 10541778), (3, 7027852), (4, 5270889), (6, 3513926), (12, 1756963), (13, 1621812), (26, 810906), (39, 540604), (52, 405453), (78, 270302), (156, 135151)]