21682408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{246391}}^1$

素因数の和:246408

約数の個数: 16

約数和(自身を含む): 44350560

約数和(自身を除く): 22668152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 246391, 492782, 985564, 1971128, 2710301, 5420602, 10841204, 21682408]

約数ペア:

[(1, 21682408), (2, 10841204), (4, 5420602), (8, 2710301), (11, 1971128), (22, 985564), (44, 492782), (88, 246391)]