21342894

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 43532160

約数和(自身を除く): 22189266

約数列:

[1, 2, 3, 6, 139, 157, 163, 278, 314, 326, 417, 471, 489, 834, 942, 978, 21823, 22657, 25591, 43646, 45314, 51182, 65469, 67971, 76773, 130938, 135942, 153546, 3557149, 7114298, 10671447, 21342894]

約数ペア:

[(1, 21342894), (2, 10671447), (3, 7114298), (6, 3557149), (139, 153546), (157, 135942), (163, 130938), (278, 76773), (314, 67971), (326, 65469), (417, 51182), (471, 45314), (489, 43646), (834, 25591), (942, 22657), (978, 21823)]