21804853714

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67716937}}^1$

素因数の和:67716969

約数の個数: 16

約数和(自身を含む): 39004956288

約数和(自身を除く): 17200102574

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67716937, 135433874, 474018559, 948037118, 1557489551, 3114979102, 10902426857, 21804853714]

約数ペア:

[(1, 21804853714), (2, 10902426857), (7, 3114979102), (14, 1557489551), (23, 948037118), (46, 474018559), (161, 135433874), (322, 67716937)]