21257292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253063}}^1$

素因数の和:253077

約数の個数: 24

約数和(自身を含む): 56686336

約数和(自身を除く): 35429044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253063, 506126, 759189, 1012252, 1518378, 1771441, 3036756, 3542882, 5314323, 7085764, 10628646, 21257292]

約数ペア:

[(1, 21257292), (2, 10628646), (3, 7085764), (4, 5314323), (6, 3542882), (7, 3036756), (12, 1771441), (14, 1518378), (21, 1012252), (28, 759189), (42, 506126), (84, 253063)]