21523112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{206953}}^1$

素因数の和:206972

約数の個数: 16

約数和(自身を含む): 43460340

約数和(自身を除く): 21937228

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 206953, 413906, 827812, 1655624, 2690389, 5380778, 10761556, 21523112]

約数ペア:

[(1, 21523112), (2, 10761556), (4, 5380778), (8, 2690389), (13, 1655624), (26, 827812), (52, 413906), (104, 206953)]