21265431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1607}}^1$

素因数の和:2022

約数の個数: 16

約数和(自身を含む): 31027968

約数和(自身を除く): 9762537

約数列:

[1, 3, 11, 33, 401, 1203, 1607, 4411, 4821, 13233, 17677, 53031, 644407, 1933221, 7088477, 21265431]

約数ペア:

[(1, 21265431), (3, 7088477), (11, 1933221), (33, 644407), (401, 53031), (1203, 17677), (1607, 13233), (4411, 4821)]