21484737

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 34387200

約数和(自身を除く): 12902463

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 1193, 2001, 3579, 6003, 10737, 18009, 27439, 32211, 34597, 82317, 103791, 246951, 311373, 740853, 795731, 934119, 2387193, 7161579, 21484737]

約数ペア:

[(1, 21484737), (3, 7161579), (9, 2387193), (23, 934119), (27, 795731), (29, 740853), (69, 311373), (87, 246951), (207, 103791), (261, 82317), (621, 34597), (667, 32211), (783, 27439), (1193, 18009), (2001, 10737), (3579, 6003)]