21049300

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5689}}^1$

素因数の和:5740

約数の個数: 36

約数和(自身を含む): 46919740

約数和(自身を除く): 25870440

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5689, 11378, 22756, 28445, 56890, 113780, 142225, 210493, 284450, 420986, 568900, 841972, 1052465, 2104930, 4209860, 5262325, 10524650, 21049300]

約数ペア:

[(1, 21049300), (2, 10524650), (4, 5262325), (5, 4209860), (10, 2104930), (20, 1052465), (25, 841972), (37, 568900), (50, 420986), (74, 284450), (100, 210493), (148, 142225), (185, 113780), (370, 56890), (740, 28445), (925, 22756), (1850, 11378), (3700, 5689)]