21851551143

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{35187683}}^1$

素因数の和:35187715

約数の個数: 16

約数和(自身を含む): 33780176640

約数和(自身を除く): 11928625497

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 35187683, 105563049, 316689147, 809316709, 950067441, 2427950127, 7283850381, 21851551143]

約数ペア:

[(1, 21851551143), (3, 7283850381), (9, 2427950127), (23, 950067441), (27, 809316709), (69, 316689147), (207, 105563049), (621, 35187683)]