21961072

素因数分解:

$2^4\times 7^1\times {\mathrm{196081}}^1$

素因数の和:196096

約数の個数: 20

約数和(自身を含む): 48628336

約数和(自身を除く): 26667264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196081, 392162, 784324, 1372567, 1568648, 2745134, 3137296, 5490268, 10980536, 21961072]

約数ペア:

[(1, 21961072), (2, 10980536), (4, 5490268), (7, 3137296), (8, 2745134), (14, 1568648), (16, 1372567), (28, 784324), (56, 392162), (112, 196081)]