21052595487

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1248449}}^1$

素因数の和:1248543

約数の個数: 32

約数和(自身を含む): 35475955200

約数和(自身を除く): 14423359713

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1533, 2409, 5621, 16863, 1248449, 3745347, 8739143, 13732939, 26217429, 41198817, 91136777, 96130573, 273410331, 288391719, 637957439, 1002504547, 1913872317, 3007513641, 7017531829, 21052595487]

約数ペア:

[(1, 21052595487), (3, 7017531829), (7, 3007513641), (11, 1913872317), (21, 1002504547), (33, 637957439), (73, 288391719), (77, 273410331), (219, 96130573), (231, 91136777), (511, 41198817), (803, 26217429), (1533, 13732939), (2409, 8739143), (5621, 3745347), (16863, 1248449)]