21738728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247031}}^1$

素因数の和:247048

約数の個数: 16

約数和(自身を含む): 44465760

約数和(自身を除く): 22727032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247031, 494062, 988124, 1976248, 2717341, 5434682, 10869364, 21738728]

約数ペア:

[(1, 21738728), (2, 10869364), (4, 5434682), (8, 2717341), (11, 1976248), (22, 988124), (44, 494062), (88, 247031)]