21476716

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 38506496

約数和(自身を除く): 17029780

約数列:

[1, 2, 4, 67, 127, 134, 254, 268, 508, 631, 1262, 2524, 8509, 17018, 34036, 42277, 80137, 84554, 160274, 169108, 320548, 5369179, 10738358, 21476716]

約数ペア:

[(1, 21476716), (2, 10738358), (4, 5369179), (67, 320548), (127, 169108), (134, 160274), (254, 84554), (268, 80137), (508, 42277), (631, 34036), (1262, 17018), (2524, 8509)]