21342488

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72103}}^1$

素因数の和:72146

約数の個数: 16

約数和(自身を含む): 41099280

約数和(自身を除く): 19756792

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72103, 144206, 288412, 576824, 2667811, 5335622, 10671244, 21342488]

約数ペア:

[(1, 21342488), (2, 10671244), (4, 5335622), (8, 2667811), (37, 576824), (74, 288412), (148, 144206), (296, 72103)]