21439936

素因数分解:

$2^6\times 7^1\times {\mathrm{47857}}^1$

素因数の和:47876

約数の個数: 28

約数和(自身を含む): 48623728

約数和(自身を除く): 27183792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47857, 95714, 191428, 334999, 382856, 669998, 765712, 1339996, 1531424, 2679992, 3062848, 5359984, 10719968, 21439936]

約数ペア:

[(1, 21439936), (2, 10719968), (4, 5359984), (7, 3062848), (8, 2679992), (14, 1531424), (16, 1339996), (28, 765712), (32, 669998), (56, 382856), (64, 334999), (112, 191428), (224, 95714), (448, 47857)]