21060264656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42460211}}^1$

素因数の和:42460250

約数の個数: 20

約数和(自身を含む): 42120530304

約数和(自身を除く): 21060265648

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42460211, 84920422, 169840844, 339681688, 679363376, 1316266541, 2632533082, 5265066164, 10530132328, 21060264656]

約数ペア:

[(1, 21060264656), (2, 10530132328), (4, 5265066164), (8, 2632533082), (16, 1316266541), (31, 679363376), (62, 339681688), (124, 169840844), (248, 84920422), (496, 42460211)]