21425980304

素因数分解:

$2^4\times {\mathrm{3803}}^1\times {\mathrm{352123}}^1$

素因数の和:355934

約数の個数: 20

約数和(自身を含む): 41523870576

約数和(自身を除く): 20097890272

約数列:

[1, 2, 4, 8, 16, 3803, 7606, 15212, 30424, 60848, 352123, 704246, 1408492, 2816984, 5633968, 1339123769, 2678247538, 5356495076, 10712990152, 21425980304]

約数ペア:

[(1, 21425980304), (2, 10712990152), (4, 5356495076), (8, 2678247538), (16, 1339123769), (3803, 5633968), (7606, 2816984), (15212, 1408492), (30424, 704246), (60848, 352123)]