21032487170

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2599813}}^1$

素因数の和:2600629

約数の個数: 16

約数和(自身を含む): 37905288120

約数和(自身を除く): 16872800950

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 2599813, 5199626, 12999065, 25998130, 2103248717, 4206497434, 10516243585, 21032487170]

約数ペア:

[(1, 21032487170), (2, 10516243585), (5, 4206497434), (10, 2103248717), (809, 25998130), (1618, 12999065), (4045, 5199626), (8090, 2599813)]