21355794

素因数分解:

$2^1\times 3^2\times {\mathrm{353}}^1\times {\mathrm{3361}}^1$

素因数の和:3722

約数の個数: 24

約数和(自身を含む): 46415772

約数和(自身を除く): 25059978

約数列:

[1, 2, 3, 6, 9, 18, 353, 706, 1059, 2118, 3177, 3361, 6354, 6722, 10083, 20166, 30249, 60498, 1186433, 2372866, 3559299, 7118598, 10677897, 21355794]

約数ペア:

[(1, 21355794), (2, 10677897), (3, 7118598), (6, 3559299), (9, 2372866), (18, 1186433), (353, 60498), (706, 30249), (1059, 20166), (2118, 10083), (3177, 6722), (3361, 6354)]