21337212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136777}}^1$

素因数の和:136797

約数の個数: 24

約数和(自身を含む): 53616976

約数和(自身を除く): 32279764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136777, 273554, 410331, 547108, 820662, 1641324, 1778101, 3556202, 5334303, 7112404, 10668606, 21337212]

約数ペア:

[(1, 21337212), (2, 10668606), (3, 7112404), (4, 5334303), (6, 3556202), (12, 1778101), (13, 1641324), (26, 820662), (39, 547108), (52, 410331), (78, 273554), (156, 136777)]