21005004

素因数分解:

$2^2\times 3^1\times {\mathrm{461}}^1\times {\mathrm{3797}}^1$

素因数の和:4265

約数の個数: 24

約数和(自身を含む): 49130928

約数和(自身を除く): 28125924

約数列:

[1, 2, 3, 4, 6, 12, 461, 922, 1383, 1844, 2766, 3797, 5532, 7594, 11391, 15188, 22782, 45564, 1750417, 3500834, 5251251, 7001668, 10502502, 21005004]

約数ペア:

[(1, 21005004), (2, 10502502), (3, 7001668), (4, 5251251), (6, 3500834), (12, 1750417), (461, 45564), (922, 22782), (1383, 15188), (1844, 11391), (2766, 7594), (3797, 5532)]