21205282

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36943}}^1$

素因数の和:36993

約数の個数: 16

約数和(自身を含む): 37239552

約数和(自身を除く): 16034270

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 36943, 73886, 258601, 517202, 1514663, 3029326, 10602641, 21205282]

約数ペア:

[(1, 21205282), (2, 10602641), (7, 3029326), (14, 1514663), (41, 517202), (82, 258601), (287, 73886), (574, 36943)]