21855088

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2963}}^1$

素因数の和:3432

約数の個数: 20

約数和(自身を含む): 42450408

約数和(自身を除く): 20595320

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2963, 3688, 5926, 7376, 11852, 23704, 47408, 1365943, 2731886, 5463772, 10927544, 21855088]

約数ペア:

[(1, 21855088), (2, 10927544), (4, 5463772), (8, 2731886), (16, 1365943), (461, 47408), (922, 23704), (1844, 11852), (2963, 7376), (3688, 5926)]