21246258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3722

約数の個数: 32

約数和(自身を含む): 46889280

約数和(自身を除く): 25643022

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3617, 5874, 7234, 10851, 21702, 39787, 79574, 119361, 238722, 321913, 643826, 965739, 1931478, 3541043, 7082086, 10623129, 21246258]

約数ペア:

[(1, 21246258), (2, 10623129), (3, 7082086), (6, 3541043), (11, 1931478), (22, 965739), (33, 643826), (66, 321913), (89, 238722), (178, 119361), (267, 79574), (534, 39787), (979, 21702), (1958, 10851), (2937, 7234), (3617, 5874)]