21296127

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 29357280

約数和(自身を除く): 8061153

約数列:

[1, 3, 37, 111, 173, 519, 1109, 3327, 6401, 19203, 41033, 123099, 191857, 575571, 7098709, 21296127]

約数ペア:

[(1, 21296127), (3, 7098709), (37, 575571), (111, 191857), (173, 123099), (519, 41033), (1109, 19203), (3327, 6401)]