21305339

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 24566784

約数和(自身を除く): 3261445

約数列:

[1, 11, 31, 43, 341, 473, 1333, 1453, 14663, 15983, 45043, 62479, 495473, 687269, 1936849, 21305339]

約数ペア:

[(1, 21305339), (11, 1936849), (31, 687269), (43, 495473), (341, 62479), (473, 45043), (1333, 15983), (1453, 14663)]