21902944

素因数分解:

$2^5\times 7^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 49599648

約数和(自身を除く): 27696704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 277, 353, 554, 706, 1108, 1412, 1939, 2216, 2471, 2824, 3878, 4432, 4942, 5648, 7756, 8864, 9884, 11296, 15512, 19768, 31024, 39536, 62048, 79072, 97781, 195562, 391124, 684467, 782248, 1368934, 1564496, 2737868, 3128992, 5475736, 10951472, 21902944]

約数ペア:

[(1, 21902944), (2, 10951472), (4, 5475736), (7, 3128992), (8, 2737868), (14, 1564496), (16, 1368934), (28, 782248), (32, 684467), (56, 391124), (112, 195562), (224, 97781), (277, 79072), (353, 62048), (554, 39536), (706, 31024), (1108, 19768), (1412, 15512), (1939, 11296), (2216, 9884), (2471, 8864), (2824, 7756), (3878, 5648), (4432, 4942)]