21288738

素因数分解:

$2^1\times 3^1\times {\mathrm{1229}}^1\times {\mathrm{2887}}^1$

素因数の和:4121

約数の個数: 16

約数和(自身を含む): 42626880

約数和(自身を除く): 21338142

約数列:

[1, 2, 3, 6, 1229, 2458, 2887, 3687, 5774, 7374, 8661, 17322, 3548123, 7096246, 10644369, 21288738]

約数ペア:

[(1, 21288738), (2, 10644369), (3, 7096246), (6, 3548123), (1229, 17322), (2458, 8661), (2887, 7374), (3687, 5774)]