21127484

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9091}}^1$

素因数の和:9185

約数の個数: 24

約数和(自身を含む): 42768768

約数和(自身を除く): 21641284

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9091, 18182, 36364, 63637, 127274, 254548, 754553, 1509106, 3018212, 5281871, 10563742, 21127484]

約数ペア:

[(1, 21127484), (2, 10563742), (4, 5281871), (7, 3018212), (14, 1509106), (28, 754553), (83, 254548), (166, 127274), (332, 63637), (581, 36364), (1162, 18182), (2324, 9091)]