21149670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704989}}^1$

素因数の和:704999

約数の個数: 16

約数和(自身を含む): 50759280

約数和(自身を除く): 29609610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704989, 1409978, 2114967, 3524945, 4229934, 7049890, 10574835, 21149670]

約数ペア:

[(1, 21149670), (2, 10574835), (3, 7049890), (5, 4229934), (6, 3524945), (10, 2114967), (15, 1409978), (30, 704989)]