21437577

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1901}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 35605440

約数和(自身を除く): 14167863

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 1901, 3759, 5703, 11277, 13307, 17109, 39921, 119763, 340279, 1020837, 2381953, 3062511, 7145859, 21437577]

約数ペア:

[(1, 21437577), (3, 7145859), (7, 3062511), (9, 2381953), (21, 1020837), (63, 340279), (179, 119763), (537, 39921), (1253, 17109), (1611, 13307), (1901, 11277), (3759, 5703)]