21000251982

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{152175739}}^1$

素因数の和:152175767

約数の個数: 16

約数和(自身を含む): 43826613120

約数和(自身を除く): 22826361138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 152175739, 304351478, 456527217, 913054434, 3500041997, 7000083994, 10500125991, 21000251982]

約数ペア:

[(1, 21000251982), (2, 10500125991), (3, 7000083994), (6, 3500041997), (23, 913054434), (46, 456527217), (69, 304351478), (138, 152175739)]