21090732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135197}}^1$

素因数の和:135217

約数の個数: 24

約数和(自身を含む): 52997616

約数和(自身を除く): 31906884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135197, 270394, 405591, 540788, 811182, 1622364, 1757561, 3515122, 5272683, 7030244, 10545366, 21090732]

約数ペア:

[(1, 21090732), (2, 10545366), (3, 7030244), (4, 5272683), (6, 3515122), (12, 1757561), (13, 1622364), (26, 811182), (39, 540788), (52, 405591), (78, 270394), (156, 135197)]