21099428

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16033}}^1$

素因数の和:16091

約数の個数: 24

約数和(自身を含む): 43099392

約数和(自身を除く): 21999964

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16033, 32066, 64132, 112231, 224462, 448924, 753551, 1507102, 3014204, 5274857, 10549714, 21099428]

約数ペア:

[(1, 21099428), (2, 10549714), (4, 5274857), (7, 3014204), (14, 1507102), (28, 753551), (47, 448924), (94, 224462), (188, 112231), (329, 64132), (658, 32066), (1316, 16033)]