21035534688

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{5839}}^1$

素因数の和:7649

約数の個数: 144

約数和(自身を含む): 68415459840

約数和(自身を除く): 47379925152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 1787, 2016, 3574, 5361, 5839, 7148, 10722, 11678, 12509, 14296, 16083, 17517, 21444, 23356, 25018, 28592, 32166, 35034, 37527, 40873, 42888, 46712, 50036, 52551, 57184, 64332, 70068, 75054, 81746, 85776, 93424, 100072, 105102, 112581, 122619, 128664, 140136, 150108, 163492, 171552, 186848, 200144, 210204, 225162, 245238, 257328, 280272, 300216, 326984, 367857, 400288, 420408, 450324, 490476, 514656, 560544, 600432, 653968, 735714, 840816, 900648, 980952, 1200864, 1307936, 1471428, 1681632, 1801296, 1961904, 2942856, 3602592, 3923808, 5885712, 10434293, 11771424, 20868586, 31302879, 41737172, 62605758, 73040051, 83474344, 93908637, 125211516, 146080102, 166948688, 187817274, 219120153, 250423032, 292160204, 333897376, 375634548, 438240306, 500846064, 584320408, 657360459, 751269096, 876480612, 1001692128, 1168640816, 1314720918, 1502538192, 1752961224, 2337281632, 2629441836, 3005076384, 3505922448, 5258883672, 7011844896, 10517767344, 21035534688]

約数ペア:

[(1, 21035534688), (2, 10517767344), (3, 7011844896), (4, 5258883672), (6, 3505922448), (7, 3005076384), (8, 2629441836), (9, 2337281632), (12, 1752961224), (14, 1502538192), (16, 1314720918), (18, 1168640816), (21, 1001692128), (24, 876480612), (28, 751269096), (32, 657360459), (36, 584320408), (42, 500846064), (48, 438240306), (56, 375634548), (63, 333897376), (72, 292160204), (84, 250423032), (96, 219120153), (112, 187817274), (126, 166948688), (144, 146080102), (168, 125211516), (224, 93908637), (252, 83474344), (288, 73040051), (336, 62605758), (504, 41737172), (672, 31302879), (1008, 20868586), (1787, 11771424), (2016, 10434293), (3574, 5885712), (5361, 3923808), (5839, 3602592), (7148, 2942856), (10722, 1961904), (11678, 1801296), (12509, 1681632), (14296, 1471428), (16083, 1307936), (17517, 1200864), (21444, 980952), (23356, 900648), (25018, 840816), (28592, 735714), (32166, 653968), (35034, 600432), (37527, 560544), (40873, 514656), (42888, 490476), (46712, 450324), (50036, 420408), (52551, 400288), (57184, 367857), (64332, 326984), (70068, 300216), (75054, 280272), (81746, 257328), (85776, 245238), (93424, 225162), (100072, 210204), (105102, 200144), (112581, 186848), (122619, 171552), (128664, 163492), (140136, 150108)]