21133719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1693}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 32592560

約数和(自身を除く): 11458841

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 1693, 4161, 5079, 12483, 15237, 32167, 96501, 123589, 289503, 370767, 1112301, 2348191, 7044573, 21133719]

約数ペア:

[(1, 21133719), (3, 7044573), (9, 2348191), (19, 1112301), (57, 370767), (73, 289503), (171, 123589), (219, 96501), (657, 32167), (1387, 15237), (1693, 12483), (4161, 5079)]