21000455509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{421349}}^1$

素因数の和:421580

約数の個数: 16

約数和(自身を含む): 24027062400

約数和(自身を除く): 3026606891

約数列:

[1, 11, 23, 197, 253, 2167, 4531, 49841, 421349, 4634839, 9691027, 83005753, 106601297, 913063283, 1909132319, 21000455509]

約数ペア:

[(1, 21000455509), (11, 1909132319), (23, 913063283), (197, 106601297), (253, 83005753), (2167, 9691027), (4531, 4634839), (49841, 421349)]