21765689

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 25738560

約数和(自身を除く): 3972871

約数列:

[1, 11, 29, 31, 71, 319, 341, 781, 899, 961, 2059, 2201, 9889, 10571, 22649, 24211, 27869, 63829, 68231, 306559, 702119, 750541, 1978699, 21765689]

約数ペア:

[(1, 21765689), (11, 1978699), (29, 750541), (31, 702119), (71, 306559), (319, 68231), (341, 63829), (781, 27869), (899, 24211), (961, 22649), (2059, 10571), (2201, 9889)]