21370239

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2957}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 34147152

約数和(自身を除く): 12776913

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2957, 7227, 8871, 26613, 32527, 97581, 215861, 292743, 647583, 1942749, 2374471, 7123413, 21370239]

約数ペア:

[(1, 21370239), (3, 7123413), (9, 2374471), (11, 1942749), (33, 647583), (73, 292743), (99, 215861), (219, 97581), (657, 32527), (803, 26613), (2409, 8871), (2957, 7227)]