2130261

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 3438144

約数和(自身を除く): 1307883

約数列:

[1, 3, 7, 19, 21, 57, 133, 281, 361, 399, 843, 1083, 1967, 2527, 5339, 5901, 7581, 16017, 37373, 101441, 112119, 304323, 710087, 2130261]

約数ペア:

[(1, 2130261), (3, 710087), (7, 304323), (19, 112119), (21, 101441), (57, 37373), (133, 16017), (281, 7581), (361, 5901), (399, 5339), (843, 2527), (1083, 1967)]