21087694

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{1123}}^1$

素因数の和:1395

約数の個数: 16

約数和(自身を含む): 32573520

約数和(自身を除く): 11485826

約数列:

[1, 2, 41, 82, 229, 458, 1123, 2246, 9389, 18778, 46043, 92086, 257167, 514334, 10543847, 21087694]

約数ペア:

[(1, 21087694), (2, 10543847), (41, 514334), (82, 257167), (229, 92086), (458, 46043), (1123, 18778), (2246, 9389)]