16521351

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1933}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 28220928

約数和(自身を除く): 11699577

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 1933, 2849, 5799, 8547, 13531, 21263, 40593, 63789, 71521, 148841, 214563, 446523, 500647, 786731, 1501941, 2360193, 5507117, 16521351]

約数ペア:

[(1, 16521351), (3, 5507117), (7, 2360193), (11, 1501941), (21, 786731), (33, 500647), (37, 446523), (77, 214563), (111, 148841), (231, 71521), (259, 63789), (407, 40593), (777, 21263), (1221, 13531), (1933, 8547), (2849, 5799)]