21253077

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2482

約数の個数: 32

約数和(自身を含む): 35107200

約数和(自身を除く): 13854123

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2437, 2907, 7311, 8721, 21933, 41429, 46303, 65799, 124287, 138909, 372861, 416727, 787151, 1118583, 1250181, 2361453, 7084359, 21253077]

約数ペア:

[(1, 21253077), (3, 7084359), (9, 2361453), (17, 1250181), (19, 1118583), (27, 787151), (51, 416727), (57, 372861), (153, 138909), (171, 124287), (323, 65799), (459, 46303), (513, 41429), (969, 21933), (2437, 8721), (2907, 7311)]