21475232

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15607}}^1$

素因数の和:15660

約数の個数: 24

約数和(自身を含む): 43265376

約数和(自身を除く): 21790144

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15607, 31214, 62428, 124856, 249712, 499424, 671101, 1342202, 2684404, 5368808, 10737616, 21475232]

約数ペア:

[(1, 21475232), (2, 10737616), (4, 5368808), (8, 2684404), (16, 1342202), (32, 671101), (43, 499424), (86, 249712), (172, 124856), (344, 62428), (688, 31214), (1376, 15607)]