21444561

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4591}}^1$

素因数の和:4773

約数の個数: 16

約数和(自身を含む): 31960320

約数和(自身を除く): 10515759

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4591, 4671, 13773, 41319, 123957, 794243, 2382729, 7148187, 21444561]

約数ペア:

[(1, 21444561), (3, 7148187), (9, 2382729), (27, 794243), (173, 123957), (519, 41319), (1557, 13773), (4591, 4671)]