21281784

素因数分解:

$2^3\times 3^1\times {\mathrm{886741}}^1$

素因数の和:886750

約数の個数: 16

約数和(自身を含む): 53204520

約数和(自身を除く): 31922736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 886741, 1773482, 2660223, 3546964, 5320446, 7093928, 10640892, 21281784]

約数ペア:

[(1, 21281784), (2, 10640892), (3, 7093928), (4, 5320446), (6, 3546964), (8, 2660223), (12, 1773482), (24, 886741)]