21687770720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1760371}}^1$

素因数の和:1760404

約数の個数: 96

約数和(自身を含む): 63880379136

約数和(自身を除く): 42192608416

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 1760371, 3520742, 7041484, 8801855, 12322597, 14082968, 17603710, 19364081, 24645194, 28165936, 35207420, 38728162, 49290388, 56331872, 61612985, 70414840, 77456324, 96820405, 98580776, 123225970, 135548567, 140829680, 154912648, 193640810, 197161552, 246451940, 271097134, 281659360, 309825296, 387281620, 394323104, 492903880, 542194268, 619650592, 677742835, 774563240, 985807760, 1084388536, 1355485670, 1549126480, 1971615520, 2168777072, 2710971340, 3098252960, 4337554144, 5421942680, 10843885360, 21687770720]

約数ペア:

[(1, 21687770720), (2, 10843885360), (4, 5421942680), (5, 4337554144), (7, 3098252960), (8, 2710971340), (10, 2168777072), (11, 1971615520), (14, 1549126480), (16, 1355485670), (20, 1084388536), (22, 985807760), (28, 774563240), (32, 677742835), (35, 619650592), (40, 542194268), (44, 492903880), (55, 394323104), (56, 387281620), (70, 309825296), (77, 281659360), (80, 271097134), (88, 246451940), (110, 197161552), (112, 193640810), (140, 154912648), (154, 140829680), (160, 135548567), (176, 123225970), (220, 98580776), (224, 96820405), (280, 77456324), (308, 70414840), (352, 61612985), (385, 56331872), (440, 49290388), (560, 38728162), (616, 35207420), (770, 28165936), (880, 24645194), (1120, 19364081), (1232, 17603710), (1540, 14082968), (1760, 12322597), (2464, 8801855), (3080, 7041484), (6160, 3520742), (12320, 1760371)]