21147589

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 22969600

約数和(自身を除く): 1822011

約数列:

[1, 19, 73, 79, 193, 1387, 1501, 3667, 5767, 14089, 15247, 109573, 267691, 289693, 1113031, 21147589]

約数ペア:

[(1, 21147589), (19, 1113031), (73, 289693), (79, 267691), (193, 109573), (1387, 15247), (1501, 14089), (3667, 5767)]