21912154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1549}}^1$

素因数の和:2205

約数の個数: 16

約数和(自身を含む): 35935200

約数和(自身を除く): 14023046

約数列:

[1, 2, 11, 22, 643, 1286, 1549, 3098, 7073, 14146, 17039, 34078, 996007, 1992014, 10956077, 21912154]

約数ペア:

[(1, 21912154), (2, 10956077), (11, 1992014), (22, 996007), (643, 34078), (1286, 17039), (1549, 14146), (3098, 7073)]