21778802

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20663}}^1$

素因数の和:20713

約数の個数: 16

約数和(自身を含む): 35707392

約数和(自身を除く): 13928590

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20663, 41326, 351271, 640553, 702542, 1281106, 10889401, 21778802]

約数ペア:

[(1, 21778802), (2, 10889401), (17, 1281106), (31, 702542), (34, 640553), (62, 351271), (527, 41326), (1054, 20663)]