21135042

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2789}}^1$

素因数の和:3218

約数の個数: 24

約数和(自身を含む): 45917820

約数和(自身を除く): 24782778

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 2789, 3789, 5578, 7578, 8367, 16734, 25101, 50202, 1174169, 2348338, 3522507, 7045014, 10567521, 21135042]

約数ペア:

[(1, 21135042), (2, 10567521), (3, 7045014), (6, 3522507), (9, 2348338), (18, 1174169), (421, 50202), (842, 25101), (1263, 16734), (2526, 8367), (2789, 7578), (3789, 5578)]