21319445

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35831}}^1$

素因数の和:35860

約数の個数: 16

約数和(自身を含む): 30958848

約数和(自身を除く): 9639403

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35831, 179155, 250817, 609127, 1254085, 3045635, 4263889, 21319445]

約数ペア:

[(1, 21319445), (5, 4263889), (7, 3045635), (17, 1254085), (35, 609127), (85, 250817), (119, 179155), (595, 35831)]