21048832

素因数分解:

$2^9\times 7^2\times {\mathrm{839}}^1$

素因数の和:871

約数の個数: 60

約数和(自身を含む): 48981240

約数和(自身を除く): 27932408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 839, 896, 1568, 1678, 1792, 3136, 3356, 3584, 5873, 6272, 6712, 11746, 12544, 13424, 23492, 25088, 26848, 41111, 46984, 53696, 82222, 93968, 107392, 164444, 187936, 214784, 328888, 375872, 429568, 657776, 751744, 1315552, 1503488, 2631104, 3006976, 5262208, 10524416, 21048832]

約数ペア:

[(1, 21048832), (2, 10524416), (4, 5262208), (7, 3006976), (8, 2631104), (14, 1503488), (16, 1315552), (28, 751744), (32, 657776), (49, 429568), (56, 375872), (64, 328888), (98, 214784), (112, 187936), (128, 164444), (196, 107392), (224, 93968), (256, 82222), (392, 53696), (448, 46984), (512, 41111), (784, 26848), (839, 25088), (896, 23492), (1568, 13424), (1678, 12544), (1792, 11746), (3136, 6712), (3356, 6272), (3584, 5873)]