21550871457

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1747}}^1\times {\mathrm{80627}}^1$

素因数の和:82397

約数の個数: 24

約数和(自身を含む): 32979432096

約数和(自身を除く): 11428560639

約数列:

[1, 3, 9, 17, 51, 153, 1747, 5241, 15723, 29699, 80627, 89097, 241881, 267291, 725643, 1370659, 4111977, 12335931, 140855369, 422566107, 1267698321, 2394541273, 7183623819, 21550871457]

約数ペア:

[(1, 21550871457), (3, 7183623819), (9, 2394541273), (17, 1267698321), (51, 422566107), (153, 140855369), (1747, 12335931), (5241, 4111977), (15723, 1370659), (29699, 725643), (80627, 267291), (89097, 241881)]