21282616

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85817}}^1$

素因数の和:85854

約数の個数: 16

約数和(自身を含む): 41192640

約数和(自身を除く): 19910024

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85817, 171634, 343268, 686536, 2660327, 5320654, 10641308, 21282616]

約数ペア:

[(1, 21282616), (2, 10641308), (4, 5320654), (8, 2660327), (31, 686536), (62, 343268), (124, 171634), (248, 85817)]