21756204

素因数分解:

$2^2\times 3^2\times {\mathrm{604339}}^1$

素因数の和:604349

約数の個数: 18

約数和(自身を含む): 54994940

約数和(自身を除く): 33238736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 604339, 1208678, 1813017, 2417356, 3626034, 5439051, 7252068, 10878102, 21756204]

約数ペア:

[(1, 21756204), (2, 10878102), (3, 7252068), (4, 5439051), (6, 3626034), (9, 2417356), (12, 1813017), (18, 1208678), (36, 604339)]