21049304

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16759}}^1$

素因数の和:16922

約数の個数: 16

約数和(自身を含む): 39721200

約数和(自身を除く): 18671896

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16759, 33518, 67036, 134072, 2631163, 5262326, 10524652, 21049304]

約数ペア:

[(1, 21049304), (2, 10524652), (4, 5262326), (8, 2631163), (157, 134072), (314, 67036), (628, 33518), (1256, 16759)]