21045662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22247}}^1$

素因数の和:22303

約数の個数: 16

約数和(自身を含む): 35240832

約数和(自身を除く): 14195170

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22247, 44494, 244717, 489434, 956621, 1913242, 10522831, 21045662]

約数ペア:

[(1, 21045662), (2, 10522831), (11, 1913242), (22, 956621), (43, 489434), (86, 244717), (473, 44494), (946, 22247)]