21299283

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1907}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 33038928

約数和(自身を除く): 11739645

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1907, 3723, 5721, 11169, 17163, 32419, 97257, 139211, 291771, 417633, 1252899, 2366587, 7099761, 21299283]

約数ペア:

[(1, 21299283), (3, 7099761), (9, 2366587), (17, 1252899), (51, 417633), (73, 291771), (153, 139211), (219, 97257), (657, 32419), (1241, 17163), (1907, 11169), (3723, 5721)]