21747032

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{6779}}^1$

素因数の和:7186

約数の個数: 16

約数和(自身を含む): 40883400

約数和(自身を除く): 19136368

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 6779, 13558, 27116, 54232, 2718379, 5436758, 10873516, 21747032]

約数ペア:

[(1, 21747032), (2, 10873516), (4, 5436758), (8, 2718379), (401, 54232), (802, 27116), (1604, 13558), (3208, 6779)]