21568360089

素因数分解:

$3^1\times {\mathrm{127}}^2\times {\mathrm{445747}}^1$

素因数の和:446004

約数の個数: 12

約数和(自身を含む): 28986100944

約数和(自身を除く): 7417740855

約数列:

[1, 3, 127, 381, 16129, 48387, 445747, 1337241, 56609869, 169829607, 7189453363, 21568360089]

約数ペア:

[(1, 21568360089), (3, 7189453363), (127, 169829607), (381, 56609869), (16129, 1337241), (48387, 445747)]