21521414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13171}}^1$

素因数の和:13235

約数の個数: 16

約数和(自身を含む): 34774080

約数和(自身を除く): 13252666

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13171, 26342, 250249, 500498, 566353, 1132706, 10760707, 21521414]

約数ペア:

[(1, 21521414), (2, 10760707), (19, 1132706), (38, 566353), (43, 500498), (86, 250249), (817, 26342), (1634, 13171)]