21176786

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:250

約数の個数: 24

約数和(自身を含む): 33888780

約数和(自身を除く): 12711994

約数列:

[1, 2, 29, 53, 58, 83, 106, 166, 1537, 2407, 3074, 4399, 4814, 6889, 8798, 13778, 127571, 199781, 255142, 365117, 399562, 730234, 10588393, 21176786]

約数ペア:

[(1, 21176786), (2, 10588393), (29, 730234), (53, 399562), (58, 365117), (83, 255142), (106, 199781), (166, 127571), (1537, 13778), (2407, 8798), (3074, 6889), (4399, 4814)]