21262424

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 41065920

約数和(自身を除く): 19803496

約数列:

[1, 2, 4, 8, 47, 94, 188, 193, 293, 376, 386, 586, 772, 1172, 1544, 2344, 9071, 13771, 18142, 27542, 36284, 55084, 56549, 72568, 110168, 113098, 226196, 452392, 2657803, 5315606, 10631212, 21262424]

約数ペア:

[(1, 21262424), (2, 10631212), (4, 5315606), (8, 2657803), (47, 452392), (94, 226196), (188, 113098), (193, 110168), (293, 72568), (376, 56549), (386, 55084), (586, 36284), (772, 27542), (1172, 18142), (1544, 13771), (2344, 9071)]