21113169

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1187}}^1$

素因数の和:1226

約数の個数: 36

約数和(自身を含む): 36024912

約数和(自身を除く): 14911743

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1187, 1617, 2541, 3561, 5929, 8309, 13057, 17787, 24927, 39171, 58163, 91399, 143627, 174489, 274197, 430881, 639793, 1005389, 1919379, 3016167, 7037723, 21113169]

約数ペア:

[(1, 21113169), (3, 7037723), (7, 3016167), (11, 1919379), (21, 1005389), (33, 639793), (49, 430881), (77, 274197), (121, 174489), (147, 143627), (231, 91399), (363, 58163), (539, 39171), (847, 24927), (1187, 17787), (1617, 13057), (2541, 8309), (3561, 5929)]