21188824

素因数分解:

$2^3\times {\mathrm{691}}^1\times {\mathrm{3833}}^1$

素因数の和:4530

約数の個数: 16

約数和(自身を含む): 39796920

約数和(自身を除く): 18608096

約数列:

[1, 2, 4, 8, 691, 1382, 2764, 3833, 5528, 7666, 15332, 30664, 2648603, 5297206, 10594412, 21188824]

約数ペア:

[(1, 21188824), (2, 10594412), (4, 5297206), (8, 2648603), (691, 30664), (1382, 15332), (2764, 7666), (3833, 5528)]