2157643010

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1979489}}^1$

素因数の和:1979605

約数の個数: 16

約数和(自身を含む): 3919390200

約数和(自身を除く): 1761747190

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1979489, 3958978, 9897445, 19794890, 215764301, 431528602, 1078821505, 2157643010]

約数ペア:

[(1, 2157643010), (2, 1078821505), (5, 431528602), (10, 215764301), (109, 19794890), (218, 9897445), (545, 3958978), (1090, 1979489)]