2102720210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4890047}}^1$

素因数の和:4890097

約数の個数: 16

約数和(自身を含む): 3872918016

約数和(自身を除く): 1770197806

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 4890047, 9780094, 24450235, 48900470, 210272021, 420544042, 1051360105, 2102720210]

約数ペア:

[(1, 2102720210), (2, 1051360105), (5, 420544042), (10, 210272021), (43, 48900470), (86, 24450235), (215, 9780094), (430, 4890047)]