21694000

素因数分解:

$2^4\times 5^3\times {\mathrm{10847}}^1$

素因数の和:10870

約数の個数: 40

約数和(自身を含む): 52460928

約数和(自身を除く): 30766928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10847, 21694, 43388, 54235, 86776, 108470, 173552, 216940, 271175, 433880, 542350, 867760, 1084700, 1355875, 2169400, 2711750, 4338800, 5423500, 10847000, 21694000]

約数ペア:

[(1, 21694000), (2, 10847000), (4, 5423500), (5, 4338800), (8, 2711750), (10, 2169400), (16, 1355875), (20, 1084700), (25, 867760), (40, 542350), (50, 433880), (80, 271175), (100, 216940), (125, 173552), (200, 108470), (250, 86776), (400, 54235), (500, 43388), (1000, 21694), (2000, 10847)]