21284032

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:654

約数の個数: 84

約数和(自身を含む): 53684424

約数和(自身を除く): 32400392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 448, 539, 616, 617, 704, 784, 1078, 1232, 1234, 1568, 2156, 2464, 2468, 3136, 4312, 4319, 4928, 4936, 6787, 8624, 8638, 9872, 13574, 17248, 17276, 19744, 27148, 30233, 34496, 34552, 39488, 47509, 54296, 60466, 69104, 95018, 108592, 120932, 138208, 190036, 217184, 241864, 276416, 332563, 380072, 434368, 483728, 665126, 760144, 967456, 1330252, 1520288, 1934912, 2660504, 3040576, 5321008, 10642016, 21284032]

約数ペア:

[(1, 21284032), (2, 10642016), (4, 5321008), (7, 3040576), (8, 2660504), (11, 1934912), (14, 1520288), (16, 1330252), (22, 967456), (28, 760144), (32, 665126), (44, 483728), (49, 434368), (56, 380072), (64, 332563), (77, 276416), (88, 241864), (98, 217184), (112, 190036), (154, 138208), (176, 120932), (196, 108592), (224, 95018), (308, 69104), (352, 60466), (392, 54296), (448, 47509), (539, 39488), (616, 34552), (617, 34496), (704, 30233), (784, 27148), (1078, 19744), (1232, 17276), (1234, 17248), (1568, 13574), (2156, 9872), (2464, 8638), (2468, 8624), (3136, 6787), (4312, 4936), (4319, 4928)]