21832784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{19219}}^1$

素因数の和:19298

約数の個数: 20

約数和(自身を含む): 42899040

約数和(自身を除く): 21066256

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 19219, 38438, 76876, 153752, 307504, 1364549, 2729098, 5458196, 10916392, 21832784]

約数ペア:

[(1, 21832784), (2, 10916392), (4, 5458196), (8, 2729098), (16, 1364549), (71, 307504), (142, 153752), (284, 76876), (568, 38438), (1136, 19219)]