21840090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728003}}^1$

素因数の和:728013

約数の個数: 16

約数和(自身を含む): 52416288

約数和(自身を除く): 30576198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728003, 1456006, 2184009, 3640015, 4368018, 7280030, 10920045, 21840090]

約数ペア:

[(1, 21840090), (2, 10920045), (3, 7280030), (5, 4368018), (6, 3640015), (10, 2184009), (15, 1456006), (30, 728003)]