21971152

素因数分解:

$2^4\times 7^1\times {\mathrm{196171}}^1$

素因数の和:196186

約数の個数: 20

約数和(自身を含む): 48650656

約数和(自身を除く): 26679504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196171, 392342, 784684, 1373197, 1569368, 2746394, 3138736, 5492788, 10985576, 21971152]

約数ペア:

[(1, 21971152), (2, 10985576), (4, 5492788), (7, 3138736), (8, 2746394), (14, 1569368), (16, 1373197), (28, 784684), (56, 392342), (112, 196171)]