21081130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{301159}}^1$

素因数の和:301173

約数の個数: 16

約数和(自身を含む): 43367040

約数和(自身を除く): 22285910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 301159, 602318, 1505795, 2108113, 3011590, 4216226, 10540565, 21081130]

約数ペア:

[(1, 21081130), (2, 10540565), (5, 4216226), (7, 3011590), (10, 2108113), (14, 1505795), (35, 602318), (70, 301159)]