21149726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1327}}^1$

素因数の和:1955

約数の個数: 16

約数和(自身を含む): 34246464

約数和(自身を除く): 13096738

約数列:

[1, 2, 13, 26, 613, 1226, 1327, 2654, 7969, 15938, 17251, 34502, 813451, 1626902, 10574863, 21149726]

約数ペア:

[(1, 21149726), (2, 10574863), (13, 1626902), (26, 813451), (613, 34502), (1226, 17251), (1327, 15938), (2654, 7969)]