21095192

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20129}}^1$

素因数の和:20266

約数の個数: 16

約数和(自身を含む): 39857400

約数和(自身を除く): 18762208

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20129, 40258, 80516, 161032, 2636899, 5273798, 10547596, 21095192]

約数ペア:

[(1, 21095192), (2, 10547596), (4, 5273798), (8, 2636899), (131, 161032), (262, 80516), (524, 40258), (1048, 20129)]