21456262

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 32868432

約数和(自身を除く): 11412170

約数列:

[1, 2, 61, 122, 397, 443, 794, 886, 24217, 27023, 48434, 54046, 175871, 351742, 10728131, 21456262]

約数ペア:

[(1, 21456262), (2, 10728131), (61, 351742), (122, 175871), (397, 54046), (443, 48434), (794, 27023), (886, 24217)]