21485588

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 39399360

約数和(自身を除く): 17913772

約数列:

[1, 2, 4, 23, 46, 92, 409, 571, 818, 1142, 1636, 2284, 9407, 13133, 18814, 26266, 37628, 52532, 233539, 467078, 934156, 5371397, 10742794, 21485588]

約数ペア:

[(1, 21485588), (2, 10742794), (4, 5371397), (23, 934156), (46, 467078), (92, 233539), (409, 52532), (571, 37628), (818, 26266), (1142, 18814), (1636, 13133), (2284, 9407)]