21139328

素因数分解:

$2^7\times 7^1\times {\mathrm{23593}}^1$

素因数の和:23614

約数の個数: 32

約数和(自身を含む): 48131760

約数和(自身を除く): 26992432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23593, 47186, 94372, 165151, 188744, 330302, 377488, 660604, 754976, 1321208, 1509952, 2642416, 3019904, 5284832, 10569664, 21139328]

約数ペア:

[(1, 21139328), (2, 10569664), (4, 5284832), (7, 3019904), (8, 2642416), (14, 1509952), (16, 1321208), (28, 754976), (32, 660604), (56, 377488), (64, 330302), (112, 188744), (128, 165151), (224, 94372), (448, 47186), (896, 23593)]