21911578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15901}}^1$

素因数の和:15969

約数の個数: 16

約数和(自身を含む): 36065736

約数和(自身を除く): 14154158

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15901, 31802, 206713, 413426, 842753, 1685506, 10955789, 21911578]

約数ペア:

[(1, 21911578), (2, 10955789), (13, 1685506), (26, 842753), (53, 413426), (106, 206713), (689, 31802), (1378, 15901)]