21785946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39901}}^1$

素因数の和:39926

約数の個数: 32

約数和(自身を含む): 53628288

約数和(自身を除く): 31842342

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39901, 79802, 119703, 239406, 279307, 518713, 558614, 837921, 1037426, 1556139, 1675842, 3112278, 3630991, 7261982, 10892973, 21785946]

約数ペア:

[(1, 21785946), (2, 10892973), (3, 7261982), (6, 3630991), (7, 3112278), (13, 1675842), (14, 1556139), (21, 1037426), (26, 837921), (39, 558614), (42, 518713), (78, 279307), (91, 239406), (182, 119703), (273, 79802), (546, 39901)]