21654063978

素因数分解:

$2^1\times 3^1\times {\mathrm{2027}}^1\times {\mathrm{1780469}}^1$

素因数の和:1782501

約数の個数: 16

約数和(自身を含む): 43329517920

約数和(自身を除く): 21675453942

約数列:

[1, 2, 3, 6, 2027, 4054, 6081, 12162, 1780469, 3560938, 5341407, 10682814, 3609010663, 7218021326, 10827031989, 21654063978]

約数ペア:

[(1, 21654063978), (2, 10827031989), (3, 7218021326), (6, 3609010663), (2027, 10682814), (4054, 5341407), (6081, 3560938), (12162, 1780469)]