21167976501

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9081071}}^1$

素因数の和:9081121

約数の個数: 24

約数和(自身を含む): 35888396544

約数和(自身を除く): 14720420043

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9081071, 27243213, 63567497, 81729639, 190702491, 335999627, 572107473, 1007998881, 2351997389, 3023996643, 7055992167, 21167976501]

約数ペア:

[(1, 21167976501), (3, 7055992167), (7, 3023996643), (9, 2351997389), (21, 1007998881), (37, 572107473), (63, 335999627), (111, 190702491), (259, 81729639), (333, 63567497), (777, 27243213), (2331, 9081071)]