21865554

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{3881}}^1$

素因数の和:4202

約数の個数: 24

約数和(自身を含む): 47538972

約数和(自身を除く): 25673418

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 3881, 5634, 7762, 11643, 23286, 34929, 69858, 1214753, 2429506, 3644259, 7288518, 10932777, 21865554]

約数ペア:

[(1, 21865554), (2, 10932777), (3, 7288518), (6, 3644259), (9, 2429506), (18, 1214753), (313, 69858), (626, 34929), (939, 23286), (1878, 11643), (2817, 7762), (3881, 5634)]