21821346

素因数分解:

$2^1\times 3^3\times {\mathrm{404099}}^1$

素因数の和:404110

約数の個数: 16

約数和(自身を含む): 48492000

約数和(自身を除く): 26670654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 404099, 808198, 1212297, 2424594, 3636891, 7273782, 10910673, 21821346]

約数ペア:

[(1, 21821346), (2, 10910673), (3, 7273782), (6, 3636891), (9, 2424594), (18, 1212297), (27, 808198), (54, 404099)]