21078612

素因数分解:

$2^2\times 3^2\times {\mathrm{585517}}^1$

素因数の和:585527

約数の個数: 18

約数和(自身を含む): 53282138

約数和(自身を除く): 32203526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585517, 1171034, 1756551, 2342068, 3513102, 5269653, 7026204, 10539306, 21078612]

約数ペア:

[(1, 21078612), (2, 10539306), (3, 7026204), (4, 5269653), (6, 3513102), (9, 2342068), (12, 1756551), (18, 1171034), (36, 585517)]