21517678

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 18479762

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 191, 382, 619, 1238, 1337, 2483, 2674, 4333, 4966, 8047, 8666, 16094, 17381, 34762, 56329, 112658, 118229, 236458, 827603, 1536977, 1655206, 3073954, 10758839, 21517678]

約数ペア:

[(1, 21517678), (2, 10758839), (7, 3073954), (13, 1655206), (14, 1536977), (26, 827603), (91, 236458), (182, 118229), (191, 112658), (382, 56329), (619, 34762), (1238, 17381), (1337, 16094), (2483, 8666), (2674, 8047), (4333, 4966)]