21263824

素因数分解:

$2^4\times {\mathrm{827}}^1\times {\mathrm{1607}}^1$

素因数の和:2442

約数の個数: 20

約数和(自身を含む): 41274144

約数和(自身を除く): 20010320

約数列:

[1, 2, 4, 8, 16, 827, 1607, 1654, 3214, 3308, 6428, 6616, 12856, 13232, 25712, 1328989, 2657978, 5315956, 10631912, 21263824]

約数ペア:

[(1, 21263824), (2, 10631912), (4, 5315956), (8, 2657978), (16, 1328989), (827, 25712), (1607, 13232), (1654, 12856), (3214, 6616), (3308, 6428)]