210007990

素因数分解:

$2^1\times 5^1\times {\mathrm{4999}}^1\times {\mathrm{4201}}^1$

素因数の和:9207

約数の個数: 16

約数和(自身を含む): 378180000

約数和(自身を除く): 168172010

約数列:

[1, 2, 5, 10, 4201, 4999, 8402, 9998, 21005, 24995, 42010, 49990, 21000799, 42001598, 105003995, 210007990]

約数ペア:

[(1, 210007990), (2, 105003995), (5, 42001598), (10, 21000799), (4201, 49990), (4999, 42010), (8402, 24995), (9998, 21005)]