21161036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1091}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 40023984

約数和(自身を除く): 18862948

約数列:

[1, 2, 4, 13, 26, 52, 373, 746, 1091, 1492, 2182, 4364, 4849, 9698, 14183, 19396, 28366, 56732, 406943, 813886, 1627772, 5290259, 10580518, 21161036]

約数ペア:

[(1, 21161036), (2, 10580518), (4, 5290259), (13, 1627772), (26, 813886), (52, 406943), (373, 56732), (746, 28366), (1091, 19396), (1492, 14183), (2182, 9698), (4364, 4849)]