21151716

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47639}}^1$

素因数の和:47683

約数の個数: 24

約数和(自身を含む): 50688960

約数和(自身を除く): 29537244

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 47639, 95278, 142917, 190556, 285834, 571668, 1762643, 3525286, 5287929, 7050572, 10575858, 21151716]

約数ペア:

[(1, 21151716), (2, 10575858), (3, 7050572), (4, 5287929), (6, 3525286), (12, 1762643), (37, 571668), (74, 285834), (111, 190556), (148, 142917), (222, 95278), (444, 47639)]