21244674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321889}}^1$

素因数の和:321905

約数の個数: 16

約数和(自身を含む): 46352160

約数和(自身を除く): 25107486

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321889, 643778, 965667, 1931334, 3540779, 7081558, 10622337, 21244674]

約数ペア:

[(1, 21244674), (2, 10622337), (3, 7081558), (6, 3540779), (11, 1931334), (22, 965667), (33, 643778), (66, 321889)]