21188384

素因数分解:

$2^5\times 7^2\times {\mathrm{13513}}^1$

素因数の和:13537

約数の個数: 36

約数和(自身を含む): 48528774

約数和(自身を除く): 27340390

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13513, 27026, 54052, 94591, 108104, 189182, 216208, 378364, 432416, 662137, 756728, 1324274, 1513456, 2648548, 3026912, 5297096, 10594192, 21188384]

約数ペア:

[(1, 21188384), (2, 10594192), (4, 5297096), (7, 3026912), (8, 2648548), (14, 1513456), (16, 1324274), (28, 756728), (32, 662137), (49, 432416), (56, 378364), (98, 216208), (112, 189182), (196, 108104), (224, 94591), (392, 54052), (784, 27026), (1568, 13513)]