21852395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 27887328

約数和(自身を除く): 6034933

約数列:

[1, 5, 17, 85, 317, 811, 1585, 4055, 5389, 13787, 26945, 68935, 257087, 1285435, 4370479, 21852395]

約数ペア:

[(1, 21852395), (5, 4370479), (17, 1285435), (85, 257087), (317, 68935), (811, 26945), (1585, 13787), (4055, 5389)]