21134512

素因数分解:

$2^4\times 7^1\times {\mathrm{188701}}^1$

素因数の和:188716

約数の個数: 20

約数和(自身を含む): 46798096

約数和(自身を除く): 25663584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188701, 377402, 754804, 1320907, 1509608, 2641814, 3019216, 5283628, 10567256, 21134512]

約数ペア:

[(1, 21134512), (2, 10567256), (4, 5283628), (7, 3019216), (8, 2641814), (14, 1509608), (16, 1320907), (28, 754804), (56, 377402), (112, 188701)]