21071368

素因数分解:

$2^3\times {\mathrm{727}}^1\times {\mathrm{3623}}^1$

素因数の和:4356

約数の個数: 16

約数和(自身を含む): 39574080

約数和(自身を除く): 18502712

約数列:

[1, 2, 4, 8, 727, 1454, 2908, 3623, 5816, 7246, 14492, 28984, 2633921, 5267842, 10535684, 21071368]

約数ペア:

[(1, 21071368), (2, 10535684), (4, 5267842), (8, 2633921), (727, 28984), (1454, 14492), (2908, 7246), (3623, 5816)]