21897310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115249}}^1$

素因数の和:115275

約数の個数: 16

約数和(自身を含む): 41490000

約数和(自身を除く): 19592690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 115249, 230498, 576245, 1152490, 2189731, 4379462, 10948655, 21897310]

約数ペア:

[(1, 21897310), (2, 10948655), (5, 4379462), (10, 2189731), (19, 1152490), (38, 576245), (95, 230498), (190, 115249)]