21844915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1103}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 27900288

約数和(自身を除く): 6055373

約数列:

[1, 5, 17, 85, 233, 1103, 1165, 3961, 5515, 18751, 19805, 93755, 256999, 1284995, 4368983, 21844915]

約数ペア:

[(1, 21844915), (5, 4368983), (17, 1284995), (85, 256999), (233, 93755), (1103, 19805), (1165, 18751), (3961, 5515)]