21085788

素因数分解:

$2^2\times 3^1\times {\mathrm{761}}^1\times {\mathrm{2309}}^1$

素因数の和:3077

約数の個数: 24

約数和(自身を含む): 49286160

約数和(自身を除く): 28200372

約数列:

[1, 2, 3, 4, 6, 12, 761, 1522, 2283, 2309, 3044, 4566, 4618, 6927, 9132, 9236, 13854, 27708, 1757149, 3514298, 5271447, 7028596, 10542894, 21085788]

約数ペア:

[(1, 21085788), (2, 10542894), (3, 7028596), (4, 5271447), (6, 3514298), (12, 1757149), (761, 27708), (1522, 13854), (2283, 9236), (2309, 9132), (3044, 6927), (4566, 4618)]