21904414

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 17834978

約数列:

[1, 2, 7, 14, 31, 41, 62, 82, 217, 287, 434, 574, 1231, 1271, 2462, 2542, 8617, 8897, 17234, 17794, 38161, 50471, 76322, 100942, 267127, 353297, 534254, 706594, 1564601, 3129202, 10952207, 21904414]

約数ペア:

[(1, 21904414), (2, 10952207), (7, 3129202), (14, 1564601), (31, 706594), (41, 534254), (62, 353297), (82, 267127), (217, 100942), (287, 76322), (434, 50471), (574, 38161), (1231, 17794), (1271, 17234), (2462, 8897), (2542, 8617)]