21853256

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40771}}^1$

素因数の和:40844

約数の個数: 16

約数和(自身を含む): 41587440

約数和(自身を除く): 19734184

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40771, 81542, 163084, 326168, 2731657, 5463314, 10926628, 21853256]

約数ペア:

[(1, 21853256), (2, 10926628), (4, 5463314), (8, 2731657), (67, 326168), (134, 163084), (268, 81542), (536, 40771)]