21474417

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3863}}^1$

素因数の和:3992

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 9128463

約数列:

[1, 3, 17, 51, 109, 327, 1853, 3863, 5559, 11589, 65671, 197013, 421067, 1263201, 7158139, 21474417]

約数ペア:

[(1, 21474417), (3, 7158139), (17, 1263201), (51, 421067), (109, 197013), (327, 65671), (1853, 11589), (3863, 5559)]