21853216

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 33183584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 181, 196, 224, 308, 343, 352, 362, 392, 539, 616, 686, 724, 784, 1078, 1232, 1267, 1372, 1448, 1568, 1991, 2156, 2464, 2534, 2744, 2896, 3773, 3982, 4312, 5068, 5488, 5792, 7546, 7964, 8624, 8869, 10136, 10976, 13937, 15092, 15928, 17248, 17738, 20272, 27874, 30184, 31856, 35476, 40544, 55748, 60368, 62083, 63712, 70952, 97559, 111496, 120736, 124166, 141904, 195118, 222992, 248332, 283808, 390236, 445984, 496664, 682913, 780472, 993328, 1365826, 1560944, 1986656, 2731652, 3121888, 5463304, 10926608, 21853216]

約数ペア:

[(1, 21853216), (2, 10926608), (4, 5463304), (7, 3121888), (8, 2731652), (11, 1986656), (14, 1560944), (16, 1365826), (22, 993328), (28, 780472), (32, 682913), (44, 496664), (49, 445984), (56, 390236), (77, 283808), (88, 248332), (98, 222992), (112, 195118), (154, 141904), (176, 124166), (181, 120736), (196, 111496), (224, 97559), (308, 70952), (343, 63712), (352, 62083), (362, 60368), (392, 55748), (539, 40544), (616, 35476), (686, 31856), (724, 30184), (784, 27874), (1078, 20272), (1232, 17738), (1267, 17248), (1372, 15928), (1448, 15092), (1568, 13937), (1991, 10976), (2156, 10136), (2464, 8869), (2534, 8624), (2744, 7964), (2896, 7546), (3773, 5792), (3982, 5488), (4312, 5068)]