21342288

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 60996096

約数和(自身を除く): 39653808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 83, 88, 132, 166, 176, 249, 264, 332, 487, 498, 528, 664, 913, 974, 996, 1328, 1461, 1826, 1948, 1992, 2739, 2922, 3652, 3896, 3984, 5357, 5478, 5844, 7304, 7792, 10714, 10956, 11688, 14608, 16071, 21428, 21912, 23376, 32142, 40421, 42856, 43824, 64284, 80842, 85712, 121263, 128568, 161684, 242526, 257136, 323368, 444631, 485052, 646736, 889262, 970104, 1333893, 1778524, 1940208, 2667786, 3557048, 5335572, 7114096, 10671144, 21342288]

約数ペア:

[(1, 21342288), (2, 10671144), (3, 7114096), (4, 5335572), (6, 3557048), (8, 2667786), (11, 1940208), (12, 1778524), (16, 1333893), (22, 970104), (24, 889262), (33, 646736), (44, 485052), (48, 444631), (66, 323368), (83, 257136), (88, 242526), (132, 161684), (166, 128568), (176, 121263), (249, 85712), (264, 80842), (332, 64284), (487, 43824), (498, 42856), (528, 40421), (664, 32142), (913, 23376), (974, 21912), (996, 21428), (1328, 16071), (1461, 14608), (1826, 11688), (1948, 10956), (1992, 10714), (2739, 7792), (2922, 7304), (3652, 5844), (3896, 5478), (3984, 5357)]