21832167

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1321}}^1$

素因数の和:2118

約数の個数: 16

約数和(自身を含む): 33335552

約数和(自身を除く): 11503385

約数列:

[1, 3, 7, 21, 787, 1321, 2361, 3963, 5509, 9247, 16527, 27741, 1039627, 3118881, 7277389, 21832167]

約数ペア:

[(1, 21832167), (3, 7277389), (7, 3118881), (21, 1039627), (787, 27741), (1321, 16527), (2361, 9247), (3963, 5509)]