21155472

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3767}}^1$

素因数の和:3797

約数の個数: 80

約数和(自身を含む): 65412480

約数和(自身を除く): 44257008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3767, 5616, 7534, 11301, 15068, 22602, 30136, 33903, 45204, 48971, 60272, 67806, 90408, 97942, 101709, 135612, 146913, 180816, 195884, 203418, 271224, 293826, 391768, 406836, 440739, 542448, 587652, 783536, 813672, 881478, 1175304, 1322217, 1627344, 1762956, 2350608, 2644434, 3525912, 5288868, 7051824, 10577736, 21155472]

約数ペア:

[(1, 21155472), (2, 10577736), (3, 7051824), (4, 5288868), (6, 3525912), (8, 2644434), (9, 2350608), (12, 1762956), (13, 1627344), (16, 1322217), (18, 1175304), (24, 881478), (26, 813672), (27, 783536), (36, 587652), (39, 542448), (48, 440739), (52, 406836), (54, 391768), (72, 293826), (78, 271224), (104, 203418), (108, 195884), (117, 180816), (144, 146913), (156, 135612), (208, 101709), (216, 97942), (234, 90408), (312, 67806), (351, 60272), (432, 48971), (468, 45204), (624, 33903), (702, 30136), (936, 22602), (1404, 15068), (1872, 11301), (2808, 7534), (3767, 5616)]