21000962889

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{164431}}^1$

素因数の和:165077

約数の個数: 24

約数和(自身を含む): 31705120512

約数和(自身を除く): 10704157623

約数列:

[1, 3, 9, 23, 69, 207, 617, 1851, 5553, 14191, 42573, 127719, 164431, 493293, 1479879, 3781913, 11345739, 34037217, 101453927, 304361781, 913085343, 2333440321, 7000320963, 21000962889]

約数ペア:

[(1, 21000962889), (3, 7000320963), (9, 2333440321), (23, 913085343), (69, 304361781), (207, 101453927), (617, 34037217), (1851, 11345739), (5553, 3781913), (14191, 1479879), (42573, 493293), (127719, 164431)]