21227542

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11939}}^1$

素因数の和:12075

約数の個数: 16

約数和(自身を含む): 36679680

約数和(自身を除く): 15452138

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11939, 23878, 83573, 167146, 1516253, 3032506, 10613771, 21227542]

約数ペア:

[(1, 21227542), (2, 10613771), (7, 3032506), (14, 1516253), (127, 167146), (254, 83573), (889, 23878), (1778, 11939)]