21147442

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1213}}^1$

素因数の和:1617

約数の個数: 16

約数和(自身を含む): 33215040

約数和(自身を除く): 12067598

約数列:

[1, 2, 23, 46, 379, 758, 1213, 2426, 8717, 17434, 27899, 55798, 459727, 919454, 10573721, 21147442]

約数ペア:

[(1, 21147442), (2, 10573721), (23, 919454), (46, 459727), (379, 55798), (758, 27899), (1213, 17434), (2426, 8717)]