21505278

素因数分解:

$2^1\times 3^1\times {\mathrm{701}}^1\times {\mathrm{5113}}^1$

素因数の和:5819

約数の個数: 16

約数和(自身を含む): 43080336

約数和(自身を除く): 21575058

約数列:

[1, 2, 3, 6, 701, 1402, 2103, 4206, 5113, 10226, 15339, 30678, 3584213, 7168426, 10752639, 21505278]

約数ペア:

[(1, 21505278), (2, 10752639), (3, 7168426), (6, 3584213), (701, 30678), (1402, 15339), (2103, 10226), (4206, 5113)]