21401128

素因数分解:

$2^3\times 7^1\times {\mathrm{382163}}^1$

素因数の和:382176

約数の個数: 16

約数和(自身を含む): 45859680

約数和(自身を除く): 24458552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 382163, 764326, 1528652, 2675141, 3057304, 5350282, 10700564, 21401128]

約数ペア:

[(1, 21401128), (2, 10700564), (4, 5350282), (7, 3057304), (8, 2675141), (14, 1528652), (28, 764326), (56, 382163)]