21084896

素因数分解:

$2^5\times 7^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 30625504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 113, 119, 136, 196, 224, 226, 238, 272, 343, 392, 452, 476, 544, 686, 784, 791, 833, 904, 952, 1372, 1568, 1582, 1666, 1808, 1904, 1921, 2744, 3164, 3332, 3616, 3808, 3842, 5488, 5537, 5831, 6328, 6664, 7684, 10976, 11074, 11662, 12656, 13328, 13447, 15368, 22148, 23324, 25312, 26656, 26894, 30736, 38759, 44296, 46648, 53788, 61472, 77518, 88592, 93296, 94129, 107576, 155036, 177184, 186592, 188258, 215152, 310072, 376516, 430304, 620144, 658903, 753032, 1240288, 1317806, 1506064, 2635612, 3012128, 5271224, 10542448, 21084896]

約数ペア:

[(1, 21084896), (2, 10542448), (4, 5271224), (7, 3012128), (8, 2635612), (14, 1506064), (16, 1317806), (17, 1240288), (28, 753032), (32, 658903), (34, 620144), (49, 430304), (56, 376516), (68, 310072), (98, 215152), (112, 188258), (113, 186592), (119, 177184), (136, 155036), (196, 107576), (224, 94129), (226, 93296), (238, 88592), (272, 77518), (343, 61472), (392, 53788), (452, 46648), (476, 44296), (544, 38759), (686, 30736), (784, 26894), (791, 26656), (833, 25312), (904, 23324), (952, 22148), (1372, 15368), (1568, 13447), (1582, 13328), (1666, 12656), (1808, 11662), (1904, 11074), (1921, 10976), (2744, 7684), (3164, 6664), (3332, 6328), (3616, 5831), (3808, 5537), (3842, 5488)]