21120296

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56171}}^1$

素因数の和:56224

約数の個数: 16

約数和(自身を含む): 40443840

約数和(自身を除く): 19323544

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56171, 112342, 224684, 449368, 2640037, 5280074, 10560148, 21120296]

約数ペア:

[(1, 21120296), (2, 10560148), (4, 5280074), (8, 2640037), (47, 449368), (94, 224684), (188, 112342), (376, 56171)]