21708018

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{12433}}^1$

素因数の和:12538

約数の個数: 24

約数和(自身を含む): 47522748

約数和(自身を除く): 25814730

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 12433, 24866, 37299, 74598, 111897, 223794, 1206001, 2412002, 3618003, 7236006, 10854009, 21708018]

約数ペア:

[(1, 21708018), (2, 10854009), (3, 7236006), (6, 3618003), (9, 2412002), (18, 1206001), (97, 223794), (194, 111897), (291, 74598), (582, 37299), (873, 24866), (1746, 12433)]