21165342

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320687}}^1$

素因数の和:320703

約数の個数: 16

約数和(自身を含む): 46179072

約数和(自身を除く): 25013730

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320687, 641374, 962061, 1924122, 3527557, 7055114, 10582671, 21165342]

約数ペア:

[(1, 21165342), (2, 10582671), (3, 7055114), (6, 3527557), (11, 1924122), (22, 962061), (33, 641374), (66, 320687)]