21437276

素因数分解:

$2^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1999}}^1$

素因数の和:2393

約数の個数: 24

約数和(自身を含む): 43008000

約数和(自身を除く): 21570724

約数列:

[1, 2, 4, 7, 14, 28, 383, 766, 1532, 1999, 2681, 3998, 5362, 7996, 10724, 13993, 27986, 55972, 765617, 1531234, 3062468, 5359319, 10718638, 21437276]

約数ペア:

[(1, 21437276), (2, 10718638), (4, 5359319), (7, 3062468), (14, 1531234), (28, 765617), (383, 55972), (766, 27986), (1532, 13993), (1999, 10724), (2681, 7996), (3998, 5362)]