21178944

素因数分解:

$2^6\times 3^2\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 84

約数和(自身を含む): 61575696

約数和(自身を除く): 40396752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 83, 96, 144, 166, 192, 249, 288, 332, 443, 498, 576, 664, 747, 886, 996, 1328, 1329, 1494, 1772, 1992, 2656, 2658, 2988, 3544, 3984, 3987, 5312, 5316, 5976, 7088, 7968, 7974, 10632, 11952, 14176, 15936, 15948, 21264, 23904, 28352, 31896, 36769, 42528, 47808, 63792, 73538, 85056, 110307, 127584, 147076, 220614, 255168, 294152, 330921, 441228, 588304, 661842, 882456, 1176608, 1323684, 1764912, 2353216, 2647368, 3529824, 5294736, 7059648, 10589472, 21178944]

約数ペア:

[(1, 21178944), (2, 10589472), (3, 7059648), (4, 5294736), (6, 3529824), (8, 2647368), (9, 2353216), (12, 1764912), (16, 1323684), (18, 1176608), (24, 882456), (32, 661842), (36, 588304), (48, 441228), (64, 330921), (72, 294152), (83, 255168), (96, 220614), (144, 147076), (166, 127584), (192, 110307), (249, 85056), (288, 73538), (332, 63792), (443, 47808), (498, 42528), (576, 36769), (664, 31896), (747, 28352), (886, 23904), (996, 21264), (1328, 15948), (1329, 15936), (1494, 14176), (1772, 11952), (1992, 10632), (2656, 7974), (2658, 7968), (2988, 7088), (3544, 5976), (3984, 5316), (3987, 5312)]