21582018

素因数分解:

$2^1\times 3^3\times {\mathrm{399667}}^1$

素因数の和:399678

約数の個数: 16

約数和(自身を含む): 47960160

約数和(自身を除く): 26378142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399667, 799334, 1199001, 2398002, 3597003, 7194006, 10791009, 21582018]

約数ペア:

[(1, 21582018), (2, 10791009), (3, 7194006), (6, 3597003), (9, 2398002), (18, 1199001), (27, 799334), (54, 399667)]