21082616

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20117}}^1$

素因数の和:20254

約数の個数: 16

約数和(自身を含む): 39833640

約数和(自身を除く): 18751024

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20117, 40234, 80468, 160936, 2635327, 5270654, 10541308, 21082616]

約数ペア:

[(1, 21082616), (2, 10541308), (4, 5270654), (8, 2635327), (131, 160936), (262, 80468), (524, 40234), (1048, 20117)]