21497226

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{155777}}^1$

素因数の和:155805

約数の個数: 16

約数和(自身を含む): 44864064

約数和(自身を除く): 23366838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 155777, 311554, 467331, 934662, 3582871, 7165742, 10748613, 21497226]

約数ペア:

[(1, 21497226), (2, 10748613), (3, 7165742), (6, 3582871), (23, 934662), (46, 467331), (69, 311554), (138, 155777)]