21777888618

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28136807}}^1$

素因数の和:28136858

約数の個数: 24

約数和(自身を含む): 48282762528

約数和(自身を除く): 26504873910

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28136807, 56273614, 84410421, 168820842, 253231263, 506462526, 1209882701, 2419765402, 3629648103, 7259296206, 10888944309, 21777888618]

約数ペア:

[(1, 21777888618), (2, 10888944309), (3, 7259296206), (6, 3629648103), (9, 2419765402), (18, 1209882701), (43, 506462526), (86, 253231263), (129, 168820842), (258, 84410421), (387, 56273614), (774, 28136807)]