21628136

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40351}}^1$

素因数の和:40424

約数の個数: 16

約数和(自身を含む): 41159040

約数和(自身を除く): 19530904

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40351, 80702, 161404, 322808, 2703517, 5407034, 10814068, 21628136]

約数ペア:

[(1, 21628136), (2, 10814068), (4, 5407034), (8, 2703517), (67, 322808), (134, 161404), (268, 80702), (536, 40351)]