21085802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1321}}^1$

素因数の和:1693

約数の個数: 16

約数和(自身を含む): 33124032

約数和(自身を除く): 12038230

約数列:

[1, 2, 23, 46, 347, 694, 1321, 2642, 7981, 15962, 30383, 60766, 458387, 916774, 10542901, 21085802]

約数ペア:

[(1, 21085802), (2, 10542901), (23, 916774), (46, 458387), (347, 60766), (694, 30383), (1321, 15962), (2642, 7981)]