21676048

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8629}}^1$

素因数の和:8794

約数の個数: 20

約数和(自身を含む): 42269740

約数和(自身を除く): 20593692

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8629, 17258, 34516, 69032, 138064, 1354753, 2709506, 5419012, 10838024, 21676048]

約数ペア:

[(1, 21676048), (2, 10838024), (4, 5419012), (8, 2709506), (16, 1354753), (157, 138064), (314, 69032), (628, 34516), (1256, 17258), (2512, 8629)]