21508742

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{1063}}^1$

素因数の和:1283

約数の個数: 16

約数和(自身を含む): 32992512

約数和(自身を除く): 11483770

約数列:

[1, 2, 67, 134, 151, 302, 1063, 2126, 10117, 20234, 71221, 142442, 160513, 321026, 10754371, 21508742]

約数ペア:

[(1, 21508742), (2, 10754371), (67, 321026), (134, 160513), (151, 142442), (302, 71221), (1063, 20234), (2126, 10117)]