21444839

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 24084480

約数和(自身を除く): 2639641

約数列:

[1, 13, 31, 127, 403, 419, 1651, 3937, 5447, 12989, 51181, 53213, 168857, 691769, 1649603, 21444839]

約数ペア:

[(1, 21444839), (13, 1649603), (31, 691769), (127, 168857), (403, 53213), (419, 51181), (1651, 12989), (3937, 5447)]