21610384

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{5021}}^1$

素因数の和:5298

約数の個数: 20

約数和(自身を含む): 42034140

約数和(自身を除く): 20423756

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 5021, 10042, 20084, 40168, 80336, 1350649, 2701298, 5402596, 10805192, 21610384]

約数ペア:

[(1, 21610384), (2, 10805192), (4, 5402596), (8, 2701298), (16, 1350649), (269, 80336), (538, 40168), (1076, 20084), (2152, 10042), (4304, 5021)]