21026084

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14561}}^1$

素因数の和:14603

約数の個数: 18

約数和(自身を含む): 38836854

約数和(自身を除く): 17810770

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14561, 29122, 58244, 276659, 553318, 1106636, 5256521, 10513042, 21026084]

約数ペア:

[(1, 21026084), (2, 10513042), (4, 5256521), (19, 1106636), (38, 553318), (76, 276659), (361, 58244), (722, 29122), (1444, 14561)]