21787134

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 44820864

約数和(自身を除く): 23033730

約数列:

[1, 2, 3, 6, 53, 106, 131, 159, 262, 318, 393, 523, 786, 1046, 1569, 3138, 6943, 13886, 20829, 27719, 41658, 55438, 68513, 83157, 137026, 166314, 205539, 411078, 3631189, 7262378, 10893567, 21787134]

約数ペア:

[(1, 21787134), (2, 10893567), (3, 7262378), (6, 3631189), (53, 411078), (106, 205539), (131, 166314), (159, 137026), (262, 83157), (318, 68513), (393, 55438), (523, 41658), (786, 27719), (1046, 20829), (1569, 13886), (3138, 6943)]