21446992

素因数分解:

$2^4\times 7^1\times {\mathrm{191491}}^1$

素因数の和:191506

約数の個数: 20

約数和(自身を含む): 47490016

約数和(自身を除く): 26043024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191491, 382982, 765964, 1340437, 1531928, 2680874, 3063856, 5361748, 10723496, 21446992]

約数ペア:

[(1, 21446992), (2, 10723496), (4, 5361748), (7, 3063856), (8, 2680874), (14, 1531928), (16, 1340437), (28, 765964), (56, 382982), (112, 191491)]