21082851812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{555221}}^1$

素因数の和:556099

約数の個数: 24

約数和(自身を含む): 40295791872

約数和(自身を除く): 19212940060

約数列:

[1, 2, 4, 11, 22, 44, 863, 1726, 3452, 9493, 18986, 37972, 555221, 1110442, 2220884, 6107431, 12214862, 24429724, 479155723, 958311446, 1916622892, 5270712953, 10541425906, 21082851812]

約数ペア:

[(1, 21082851812), (2, 10541425906), (4, 5270712953), (11, 1916622892), (22, 958311446), (44, 479155723), (863, 24429724), (1726, 12214862), (3452, 6107431), (9493, 2220884), (18986, 1110442), (37972, 555221)]