21129122

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15559}}^1$

素因数の和:15665

約数の個数: 16

約数和(自身を含む): 36597120

約数和(自身を除く): 15467998

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 15559, 31118, 108913, 217826, 1509223, 3018446, 10564561, 21129122]

約数ペア:

[(1, 21129122), (2, 10564561), (7, 3018446), (14, 1509223), (97, 217826), (194, 108913), (679, 31118), (1358, 15559)]