21571646

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 33278688

約数和(自身を除く): 11707042

約数列:

[1, 2, 71, 73, 142, 146, 2081, 4162, 5183, 10366, 147751, 151913, 295502, 303826, 10785823, 21571646]

約数ペア:

[(1, 21571646), (2, 10785823), (71, 303826), (73, 295502), (142, 151913), (146, 147751), (2081, 10366), (4162, 5183)]