21387802

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5879}}^1$

素因数の和:6005

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 12904358

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 5879, 11758, 99943, 199886, 629053, 1258106, 10693901, 21387802]

約数ペア:

[(1, 21387802), (2, 10693901), (17, 1258106), (34, 629053), (107, 199886), (214, 99943), (1819, 11758), (3638, 5879)]