21294494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2161}}^1$

素因数の和:2555

約数の個数: 16

約数和(自身を含む): 34505520

約数和(自身を除く): 13211026

約数列:

[1, 2, 13, 26, 379, 758, 2161, 4322, 4927, 9854, 28093, 56186, 819019, 1638038, 10647247, 21294494]

約数ペア:

[(1, 21294494), (2, 10647247), (13, 1638038), (26, 819019), (379, 56186), (758, 28093), (2161, 9854), (4322, 4927)]