21428476

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 39106256

約数和(自身を除く): 17677780

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 2161, 2479, 4322, 4958, 8644, 9916, 79957, 144787, 159914, 289574, 319828, 579148, 5357119, 10714238, 21428476]

約数ペア:

[(1, 21428476), (2, 10714238), (4, 5357119), (37, 579148), (67, 319828), (74, 289574), (134, 159914), (148, 144787), (268, 79957), (2161, 9916), (2479, 8644), (4322, 4958)]