21144536

素因数分解:

$2^3\times 7^1\times {\mathrm{377581}}^1$

素因数の和:377594

約数の個数: 16

約数和(自身を含む): 45309840

約数和(自身を除く): 24165304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 377581, 755162, 1510324, 2643067, 3020648, 5286134, 10572268, 21144536]

約数ペア:

[(1, 21144536), (2, 10572268), (4, 5286134), (7, 3020648), (8, 2643067), (14, 1510324), (28, 755162), (56, 377581)]