21180286

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{1627}}^1$

素因数の和:1935

約数の個数: 16

約数和(自身を含む): 33289344

約数和(自身を除く): 12109058

約数列:

[1, 2, 23, 46, 283, 566, 1627, 3254, 6509, 13018, 37421, 74842, 460441, 920882, 10590143, 21180286]

約数ペア:

[(1, 21180286), (2, 10590143), (23, 920882), (46, 460441), (283, 74842), (566, 37421), (1627, 13018), (3254, 6509)]