21622568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245711}}^1$

素因数の和:245728

約数の個数: 16

約数和(自身を含む): 44228160

約数和(自身を除く): 22605592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245711, 491422, 982844, 1965688, 2702821, 5405642, 10811284, 21622568]

約数ペア:

[(1, 21622568), (2, 10811284), (4, 5405642), (8, 2702821), (11, 1965688), (22, 982844), (44, 491422), (88, 245711)]