21125600

素因数分解:

$2^5\times 5^2\times {\mathrm{26407}}^1$

素因数の和:26427

約数の個数: 36

約数和(自身を含む): 51574824

約数和(自身を除く): 30449224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26407, 52814, 105628, 132035, 211256, 264070, 422512, 528140, 660175, 845024, 1056280, 1320350, 2112560, 2640700, 4225120, 5281400, 10562800, 21125600]

約数ペア:

[(1, 21125600), (2, 10562800), (4, 5281400), (5, 4225120), (8, 2640700), (10, 2112560), (16, 1320350), (20, 1056280), (25, 845024), (32, 660175), (40, 528140), (50, 422512), (80, 264070), (100, 211256), (160, 132035), (200, 105628), (400, 52814), (800, 26407)]