21006156963

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{57868201}}^1$

素因数の和:57868226

約数の個数: 12

約数和(自身を含む): 30785883464

約数和(自身を除く): 9779726501

約数列:

[1, 3, 11, 33, 121, 363, 57868201, 173604603, 636550211, 1909650633, 7002052321, 21006156963]

約数ペア:

[(1, 21006156963), (3, 7002052321), (11, 1909650633), (33, 636550211), (121, 173604603), (363, 57868201)]