21608286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1283}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 49552128

約数和(自身を除く): 27943842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 1283, 2406, 2566, 2807, 3849, 5614, 7698, 8421, 8981, 16842, 17962, 26943, 53886, 514483, 1028966, 1543449, 3086898, 3601381, 7202762, 10804143, 21608286]

約数ペア:

[(1, 21608286), (2, 10804143), (3, 7202762), (6, 3601381), (7, 3086898), (14, 1543449), (21, 1028966), (42, 514483), (401, 53886), (802, 26943), (1203, 17962), (1283, 16842), (2406, 8981), (2566, 8421), (2807, 7698), (3849, 5614)]