21852818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2381}}^1$

素因数の和:2749

約数の個数: 16

約数和(自身を含む): 35415576

約数和(自身を除く): 13562758

約数列:

[1, 2, 13, 26, 353, 706, 2381, 4589, 4762, 9178, 30953, 61906, 840493, 1680986, 10926409, 21852818]

約数ペア:

[(1, 21852818), (2, 10926409), (13, 1680986), (26, 840493), (353, 61906), (706, 30953), (2381, 9178), (4589, 4762)]