21086673504

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1299721}}^1$

素因数の和:1299760

約数の個数: 72

約数和(自身を含む): 59937979752

約数和(自身を除く): 38851306248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1352, 2028, 2704, 4056, 5408, 8112, 16224, 1299721, 2599442, 3899163, 5198884, 7798326, 10397768, 15596652, 16896373, 20795536, 31193304, 33792746, 41591072, 50689119, 62386608, 67585492, 101378238, 124773216, 135170984, 202756476, 219652849, 270341968, 405512952, 439305698, 540683936, 658958547, 811025904, 878611396, 1317917094, 1622051808, 1757222792, 2635834188, 3514445584, 5271668376, 7028891168, 10543336752, 21086673504]

約数ペア:

[(1, 21086673504), (2, 10543336752), (3, 7028891168), (4, 5271668376), (6, 3514445584), (8, 2635834188), (12, 1757222792), (13, 1622051808), (16, 1317917094), (24, 878611396), (26, 811025904), (32, 658958547), (39, 540683936), (48, 439305698), (52, 405512952), (78, 270341968), (96, 219652849), (104, 202756476), (156, 135170984), (169, 124773216), (208, 101378238), (312, 67585492), (338, 62386608), (416, 50689119), (507, 41591072), (624, 33792746), (676, 31193304), (1014, 20795536), (1248, 16896373), (1352, 15596652), (2028, 10397768), (2704, 7798326), (4056, 5198884), (5408, 3899163), (8112, 2599442), (16224, 1299721)]