21451707

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 31815264

約数和(自身を除く): 10363557

約数列:

[1, 3, 9, 73, 103, 219, 309, 317, 657, 927, 951, 2853, 7519, 22557, 23141, 32651, 67671, 69423, 97953, 208269, 293859, 2383523, 7150569, 21451707]

約数ペア:

[(1, 21451707), (3, 7150569), (9, 2383523), (73, 293859), (103, 208269), (219, 97953), (309, 69423), (317, 67671), (657, 32651), (927, 23141), (951, 22557), (2853, 7519)]