21809046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1471}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 50024448

約数和(自身を除く): 28215402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 353, 706, 1059, 1471, 2118, 2471, 2942, 4413, 4942, 7413, 8826, 10297, 14826, 20594, 30891, 61782, 519263, 1038526, 1557789, 3115578, 3634841, 7269682, 10904523, 21809046]

約数ペア:

[(1, 21809046), (2, 10904523), (3, 7269682), (6, 3634841), (7, 3115578), (14, 1557789), (21, 1038526), (42, 519263), (353, 61782), (706, 30891), (1059, 20594), (1471, 14826), (2118, 10297), (2471, 8826), (2942, 7413), (4413, 4942)]