21067202

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:582

約数の個数: 24

約数和(自身を含む): 34523316

約数和(自身を除く): 13456114

約数列:

[1, 2, 13, 26, 157, 169, 314, 338, 397, 794, 2041, 4082, 5161, 10322, 26533, 53066, 62329, 67093, 124658, 134186, 810277, 1620554, 10533601, 21067202]

約数ペア:

[(1, 21067202), (2, 10533601), (13, 1620554), (26, 810277), (157, 134186), (169, 124658), (314, 67093), (338, 62329), (397, 53066), (794, 26533), (2041, 10322), (4082, 5161)]