21998218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1009}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 36069120

約数和(自身を除く): 14070902

約数列:

[1, 2, 11, 22, 991, 1009, 1982, 2018, 10901, 11099, 21802, 22198, 999919, 1999838, 10999109, 21998218]

約数ペア:

[(1, 21998218), (2, 10999109), (11, 1999838), (22, 999919), (991, 22198), (1009, 21802), (1982, 11099), (2018, 10901)]