21906586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1759}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 35481600

約数和(自身を除く): 13575014

約数列:

[1, 2, 13, 26, 479, 958, 1759, 3518, 6227, 12454, 22867, 45734, 842561, 1685122, 10953293, 21906586]

約数ペア:

[(1, 21906586), (2, 10953293), (13, 1685122), (26, 842561), (479, 45734), (958, 22867), (1759, 12454), (3518, 6227)]