21575192

素因数分解:

$2^3\times {\mathrm{1291}}^1\times {\mathrm{2089}}^1$

素因数の和:3386

約数の個数: 16

約数和(自身を含む): 40504200

約数和(自身を除く): 18929008

約数列:

[1, 2, 4, 8, 1291, 2089, 2582, 4178, 5164, 8356, 10328, 16712, 2696899, 5393798, 10787596, 21575192]

約数ペア:

[(1, 21575192), (2, 10787596), (4, 5393798), (8, 2696899), (1291, 16712), (2089, 10328), (2582, 8356), (4178, 5164)]