21380004

素因数分解:

$2^2\times 3^3\times {\mathrm{197963}}^1$

素因数の和:197976

約数の個数: 24

約数和(自身を含む): 55429920

約数和(自身を除く): 34049916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197963, 395926, 593889, 791852, 1187778, 1781667, 2375556, 3563334, 5345001, 7126668, 10690002, 21380004]

約数ペア:

[(1, 21380004), (2, 10690002), (3, 7126668), (4, 5345001), (6, 3563334), (9, 2375556), (12, 1781667), (18, 1187778), (27, 791852), (36, 593889), (54, 395926), (108, 197963)]