21464728

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{6691}}^1$

素因数の和:7098

約数の個数: 16

約数和(自身を含む): 40352760

約数和(自身を除く): 18888032

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 6691, 13382, 26764, 53528, 2683091, 5366182, 10732364, 21464728]

約数ペア:

[(1, 21464728), (2, 10732364), (4, 5366182), (8, 2683091), (401, 53528), (802, 26764), (1604, 13382), (3208, 6691)]