21032543

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3643297

約数列:

[1, 7, 71, 101, 419, 497, 707, 2933, 7171, 29749, 42319, 50197, 208243, 296233, 3004649, 21032543]

約数ペア:

[(1, 21032543), (7, 3004649), (71, 296233), (101, 208243), (419, 50197), (497, 42319), (707, 29749), (2933, 7171)]