21346530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30937}}^1$

素因数の和:30970

約数の個数: 32

約数和(自身を含む): 53460864

約数和(自身を除く): 32114334

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30937, 61874, 92811, 154685, 185622, 309370, 464055, 711551, 928110, 1423102, 2134653, 3557755, 4269306, 7115510, 10673265, 21346530]

約数ペア:

[(1, 21346530), (2, 10673265), (3, 7115510), (5, 4269306), (6, 3557755), (10, 2134653), (15, 1423102), (23, 928110), (30, 711551), (46, 464055), (69, 309370), (115, 185622), (138, 154685), (230, 92811), (345, 61874), (690, 30937)]