21378642

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{42929}}^1$

素因数の和:43017

約数の個数: 16

約数和(自身を含む): 43273440

約数和(自身を除く): 21894798

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 42929, 85858, 128787, 257574, 3563107, 7126214, 10689321, 21378642]

約数ペア:

[(1, 21378642), (2, 10689321), (3, 7126214), (6, 3563107), (83, 257574), (166, 128787), (249, 85858), (498, 42929)]