21521742

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{326087}}^1$

素因数の和:326103

約数の個数: 16

約数和(自身を含む): 46956672

約数和(自身を除く): 25434930

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 326087, 652174, 978261, 1956522, 3586957, 7173914, 10760871, 21521742]

約数ペア:

[(1, 21521742), (2, 10760871), (3, 7173914), (6, 3586957), (11, 1956522), (22, 978261), (33, 652174), (66, 326087)]