21744982

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67531}}^1$

素因数の和:67563

約数の個数: 16

約数和(自身を含む): 38898432

約数和(自身を除く): 17153450

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67531, 135062, 472717, 945434, 1553213, 3106426, 10872491, 21744982]

約数ペア:

[(1, 21744982), (2, 10872491), (7, 3106426), (14, 1553213), (23, 945434), (46, 472717), (161, 135062), (322, 67531)]