2021039230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28871989}}^1$

素因数の和:28872003

約数の個数: 16

約数和(自身を含む): 4157566560

約数和(自身を除く): 2136527330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28871989, 57743978, 144359945, 202103923, 288719890, 404207846, 1010519615, 2021039230]

約数ペア:

[(1, 2021039230), (2, 1010519615), (5, 404207846), (7, 288719890), (10, 202103923), (14, 144359945), (35, 57743978), (70, 28871989)]