21867148

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2193

約数の個数: 24

約数和(自身を含む): 39874464

約数和(自身を除く): 18007316

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2081, 2627, 4162, 5254, 8324, 10508, 76997, 147751, 153994, 295502, 307988, 591004, 5466787, 10933574, 21867148]

約数ペア:

[(1, 21867148), (2, 10933574), (4, 5466787), (37, 591004), (71, 307988), (74, 295502), (142, 153994), (148, 147751), (284, 76997), (2081, 10508), (2627, 8324), (4162, 5254)]