21779186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 38658816

約数和(自身を除く): 16879630

約数列:

[1, 2, 11, 13, 22, 26, 143, 271, 281, 286, 542, 562, 2981, 3091, 3523, 3653, 5962, 6182, 7046, 7306, 38753, 40183, 76151, 77506, 80366, 152302, 837661, 989963, 1675322, 1979926, 10889593, 21779186]

約数ペア:

[(1, 21779186), (2, 10889593), (11, 1979926), (13, 1675322), (22, 989963), (26, 837661), (143, 152302), (271, 80366), (281, 77506), (286, 76151), (542, 40183), (562, 38753), (2981, 7306), (3091, 7046), (3523, 6182), (3653, 5962)]