21877888767

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{28156871}}^1$

素因数の和:28156918

約数の個数: 16

約数和(自身を含む): 34238756352

約数和(自身を除く): 12360867585

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 28156871, 84470613, 197098097, 591294291, 1041804227, 3125412681, 7292629589, 21877888767]

約数ペア:

[(1, 21877888767), (3, 7292629589), (7, 3125412681), (21, 1041804227), (37, 591294291), (111, 197098097), (259, 84470613), (777, 28156871)]