21496832

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2999}}^1$

素因数の和:3026

約数の個数: 44

約数和(自身を含む): 49128000

約数和(自身を除く): 27631168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2999, 3584, 5998, 7168, 11996, 20993, 23992, 41986, 47984, 83972, 95968, 167944, 191936, 335888, 383872, 671776, 767744, 1343552, 1535488, 2687104, 3070976, 5374208, 10748416, 21496832]

約数ペア:

[(1, 21496832), (2, 10748416), (4, 5374208), (7, 3070976), (8, 2687104), (14, 1535488), (16, 1343552), (28, 767744), (32, 671776), (56, 383872), (64, 335888), (112, 191936), (128, 167944), (224, 95968), (256, 83972), (448, 47984), (512, 41986), (896, 23992), (1024, 20993), (1792, 11996), (2999, 7168), (3584, 5998)]