21251103

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4219}}^1$

素因数の和:4318

約数の個数: 16

約数和(自身を含む): 29978880

約数和(自身を除く): 8727777

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4219, 5037, 12657, 97037, 291111, 307987, 923961, 7083701, 21251103]

約数ペア:

[(1, 21251103), (3, 7083701), (23, 923961), (69, 307987), (73, 291111), (219, 97037), (1679, 12657), (4219, 5037)]