21490836

素因数分解:

$2^2\times 3^1\times {\mathrm{563}}^1\times {\mathrm{3181}}^1$

素因数の和:3751

約数の個数: 24

約数和(自身を含む): 50250144

約数和(自身を除く): 28759308

約数列:

[1, 2, 3, 4, 6, 12, 563, 1126, 1689, 2252, 3181, 3378, 6362, 6756, 9543, 12724, 19086, 38172, 1790903, 3581806, 5372709, 7163612, 10745418, 21490836]

約数ペア:

[(1, 21490836), (2, 10745418), (3, 7163612), (4, 5372709), (6, 3581806), (12, 1790903), (563, 38172), (1126, 19086), (1689, 12724), (2252, 9543), (3181, 6756), (3378, 6362)]