21252006

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 27887994

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 199, 306, 349, 398, 597, 698, 1047, 1194, 1791, 2094, 3141, 3383, 3582, 5933, 6282, 6766, 10149, 11866, 17799, 20298, 30447, 35598, 53397, 60894, 69451, 106794, 138902, 208353, 416706, 625059, 1180667, 1250118, 2361334, 3542001, 7084002, 10626003, 21252006]

約数ペア:

[(1, 21252006), (2, 10626003), (3, 7084002), (6, 3542001), (9, 2361334), (17, 1250118), (18, 1180667), (34, 625059), (51, 416706), (102, 208353), (153, 138902), (199, 106794), (306, 69451), (349, 60894), (398, 53397), (597, 35598), (698, 30447), (1047, 20298), (1194, 17799), (1791, 11866), (2094, 10149), (3141, 6766), (3383, 6282), (3582, 5933)]