21123362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15329}}^1$

素因数の和:15397

約数の個数: 16

約数和(自身を含む): 34768440

約数和(自身を除く): 13645078

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15329, 30658, 199277, 398554, 812437, 1624874, 10561681, 21123362]

約数ペア:

[(1, 21123362), (2, 10561681), (13, 1624874), (26, 812437), (53, 398554), (106, 199277), (689, 30658), (1378, 15329)]