21042392

素因数分解:

$2^3\times 7^1\times {\mathrm{375757}}^1$

素因数の和:375770

約数の個数: 16

約数和(自身を含む): 45090960

約数和(自身を除く): 24048568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375757, 751514, 1503028, 2630299, 3006056, 5260598, 10521196, 21042392]

約数ペア:

[(1, 21042392), (2, 10521196), (4, 5260598), (7, 3006056), (8, 2630299), (14, 1503028), (28, 751514), (56, 375757)]