21091490210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{301307003}}^1$

素因数の和:301307017

約数の個数: 16

約数和(自身を含む): 43388208576

約数和(自身を除く): 22296718366

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 301307003, 602614006, 1506535015, 2109149021, 3013070030, 4218298042, 10545745105, 21091490210]

約数ペア:

[(1, 21091490210), (2, 10545745105), (5, 4218298042), (7, 3013070030), (10, 2109149021), (14, 1506535015), (35, 602614006), (70, 301307003)]