21249580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96589}}^1$

素因数の和:96609

約数の個数: 24

約数和(自身を含む): 48681360

約数和(自身を除く): 27431780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96589, 193178, 386356, 482945, 965890, 1062479, 1931780, 2124958, 4249916, 5312395, 10624790, 21249580]

約数ペア:

[(1, 21249580), (2, 10624790), (4, 5312395), (5, 4249916), (10, 2124958), (11, 1931780), (20, 1062479), (22, 965890), (44, 482945), (55, 386356), (110, 193178), (220, 96589)]