21871134

素因数分解:

$2^1\times 3^4\times {\mathrm{135007}}^1$

素因数の和:135021

約数の個数: 20

約数和(自身を含む): 49007904

約数和(自身を除く): 27136770

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135007, 270014, 405021, 810042, 1215063, 2430126, 3645189, 7290378, 10935567, 21871134]

約数ペア:

[(1, 21871134), (2, 10935567), (3, 7290378), (6, 3645189), (9, 2430126), (18, 1215063), (27, 810042), (54, 405021), (81, 270014), (162, 135007)]