2021320630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28876009}}^1$

素因数の和:28876023

約数の個数: 16

約数和(自身を含む): 4158145440

約数和(自身を除く): 2136824810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28876009, 57752018, 144380045, 202132063, 288760090, 404264126, 1010660315, 2021320630]

約数ペア:

[(1, 2021320630), (2, 1010660315), (5, 404264126), (7, 288760090), (10, 202132063), (14, 144380045), (35, 57752018), (70, 28876009)]