21364947

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 32117904

約数和(自身を除く): 10752957

約数列:

[1, 3, 9, 37, 83, 111, 249, 333, 747, 773, 2319, 3071, 6957, 9213, 27639, 28601, 64159, 85803, 192477, 257409, 577431, 2373883, 7121649, 21364947]

約数ペア:

[(1, 21364947), (3, 7121649), (9, 2373883), (37, 577431), (83, 257409), (111, 192477), (249, 85803), (333, 64159), (747, 28601), (773, 27639), (2319, 9213), (3071, 6957)]