21270726

素因数分解:

$2^1\times 3^2\times {\mathrm{971}}^1\times {\mathrm{1217}}^1$

素因数の和:2196

約数の個数: 24

約数和(自身を含む): 46171944

約数和(自身を除く): 24901218

約数列:

[1, 2, 3, 6, 9, 18, 971, 1217, 1942, 2434, 2913, 3651, 5826, 7302, 8739, 10953, 17478, 21906, 1181707, 2363414, 3545121, 7090242, 10635363, 21270726]

約数ペア:

[(1, 21270726), (2, 10635363), (3, 7090242), (6, 3545121), (9, 2363414), (18, 1181707), (971, 21906), (1217, 17478), (1942, 10953), (2434, 8739), (2913, 7302), (3651, 5826)]