21877887

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2143}}^1$

素因数の和:2270

約数の個数: 16

約数和(自身を含む): 30256128

約数和(自身を除く): 8378241

約数列:

[1, 3, 41, 83, 123, 249, 2143, 3403, 6429, 10209, 87863, 177869, 263589, 533607, 7292629, 21877887]

約数ペア:

[(1, 21877887), (3, 7292629), (41, 533607), (83, 263589), (123, 177869), (249, 87863), (2143, 10209), (3403, 6429)]