21300554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{991}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 34926336

約数和(自身を除く): 13625782

約数列:

[1, 2, 11, 22, 977, 991, 1954, 1982, 10747, 10901, 21494, 21802, 968207, 1936414, 10650277, 21300554]

約数ペア:

[(1, 21300554), (2, 10650277), (11, 1936414), (22, 968207), (977, 21802), (991, 21494), (1954, 10901), (1982, 10747)]