21123168

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 61471872

約数和(自身を除く): 40348704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 83, 88, 96, 132, 166, 176, 241, 249, 264, 332, 352, 482, 498, 528, 664, 723, 913, 964, 996, 1056, 1328, 1446, 1826, 1928, 1992, 2651, 2656, 2739, 2892, 3652, 3856, 3984, 5302, 5478, 5784, 7304, 7712, 7953, 7968, 10604, 10956, 11568, 14608, 15906, 20003, 21208, 21912, 23136, 29216, 31812, 40006, 42416, 43824, 60009, 63624, 80012, 84832, 87648, 120018, 127248, 160024, 220033, 240036, 254496, 320048, 440066, 480072, 640096, 660099, 880132, 960144, 1320198, 1760264, 1920288, 2640396, 3520528, 5280792, 7041056, 10561584, 21123168]

約数ペア:

[(1, 21123168), (2, 10561584), (3, 7041056), (4, 5280792), (6, 3520528), (8, 2640396), (11, 1920288), (12, 1760264), (16, 1320198), (22, 960144), (24, 880132), (32, 660099), (33, 640096), (44, 480072), (48, 440066), (66, 320048), (83, 254496), (88, 240036), (96, 220033), (132, 160024), (166, 127248), (176, 120018), (241, 87648), (249, 84832), (264, 80012), (332, 63624), (352, 60009), (482, 43824), (498, 42416), (528, 40006), (664, 31812), (723, 29216), (913, 23136), (964, 21912), (996, 21208), (1056, 20003), (1328, 15906), (1446, 14608), (1826, 11568), (1928, 10956), (1992, 10604), (2651, 7968), (2656, 7953), (2739, 7712), (2892, 7304), (3652, 5784), (3856, 5478), (3984, 5302)]