13243818

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 31173984

約数和(自身を除く): 17930166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 107, 147, 214, 294, 321, 421, 642, 749, 842, 1263, 1498, 2247, 2526, 2947, 4494, 5243, 5894, 8841, 10486, 15729, 17682, 20629, 31458, 41258, 45047, 61887, 90094, 123774, 135141, 270282, 315329, 630658, 945987, 1891974, 2207303, 4414606, 6621909, 13243818]

約数ペア:

[(1, 13243818), (2, 6621909), (3, 4414606), (6, 2207303), (7, 1891974), (14, 945987), (21, 630658), (42, 315329), (49, 270282), (98, 135141), (107, 123774), (147, 90094), (214, 61887), (294, 45047), (321, 41258), (421, 31458), (642, 20629), (749, 17682), (842, 15729), (1263, 10486), (1498, 8841), (2247, 5894), (2526, 5243), (2947, 4494)]