21550024

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20563}}^1$

素因数の和:20700

約数の個数: 16

約数和(自身を含む): 40716720

約数和(自身を除く): 19166696

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20563, 41126, 82252, 164504, 2693753, 5387506, 10775012, 21550024]

約数ペア:

[(1, 21550024), (2, 10775012), (4, 5387506), (8, 2693753), (131, 164504), (262, 82252), (524, 41126), (1048, 20563)]