21088408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239641}}^1$

素因数の和:239658

約数の個数: 16

約数和(自身を含む): 43135560

約数和(自身を除く): 22047152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239641, 479282, 958564, 1917128, 2636051, 5272102, 10544204, 21088408]

約数ペア:

[(1, 21088408), (2, 10544204), (4, 5272102), (8, 2636051), (11, 1917128), (22, 958564), (44, 479282), (88, 239641)]