21629853

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11839}}^1$

素因数の和:11881

約数の個数: 24

約数和(自身を含む): 36940800

約数和(自身を除く): 15310947

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11839, 35517, 82873, 106551, 248619, 343331, 745857, 1029993, 2403317, 3089979, 7209951, 21629853]

約数ペア:

[(1, 21629853), (3, 7209951), (7, 3089979), (9, 2403317), (21, 1029993), (29, 745857), (63, 343331), (87, 248619), (203, 106551), (261, 82873), (609, 35517), (1827, 11839)]