21047304

素因数分解:

$2^3\times 3^1\times {\mathrm{876971}}^1$

素因数の和:876980

約数の個数: 16

約数和(自身を含む): 52618320

約数和(自身を除く): 31571016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 876971, 1753942, 2630913, 3507884, 5261826, 7015768, 10523652, 21047304]

約数ペア:

[(1, 21047304), (2, 10523652), (3, 7015768), (4, 5261826), (6, 3507884), (8, 2630913), (12, 1753942), (24, 876971)]