21167308821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{28921}}^1$

素因数の和:29181

約数の個数: 32

約数和(自身を含む): 30386147328

約数和(自身を除く): 9218838507

約数列:

[1, 3, 17, 51, 113, 127, 339, 381, 1921, 2159, 5763, 6477, 14351, 28921, 43053, 86763, 243967, 491657, 731901, 1474971, 3268073, 3672967, 9804219, 11018901, 55557241, 62440439, 166671723, 187321317, 415045271, 1245135813, 7055769607, 21167308821]

約数ペア:

[(1, 21167308821), (3, 7055769607), (17, 1245135813), (51, 415045271), (113, 187321317), (127, 166671723), (339, 62440439), (381, 55557241), (1921, 11018901), (2159, 9804219), (5763, 3672967), (6477, 3268073), (14351, 1474971), (28921, 731901), (43053, 491657), (86763, 243967)]