21792453

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{3119}}^1$

素因数の和:3276

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 9207867

約数列:

[1, 3, 17, 51, 137, 411, 2329, 3119, 6987, 9357, 53023, 159069, 427303, 1281909, 7264151, 21792453]

約数ペア:

[(1, 21792453), (3, 7264151), (17, 1281909), (51, 427303), (137, 159069), (411, 53023), (2329, 9357), (3119, 6987)]