21618306

素因数分解:

$2^1\times 3^3\times {\mathrm{400339}}^1$

素因数の和:400350

約数の個数: 16

約数和(自身を含む): 48040800

約数和(自身を除く): 26422494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 400339, 800678, 1201017, 2402034, 3603051, 7206102, 10809153, 21618306]

約数ペア:

[(1, 21618306), (2, 10809153), (3, 7206102), (6, 3603051), (9, 2402034), (18, 1201017), (27, 800678), (54, 400339)]