21942298

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 18506726

約数列:

[1, 2, 7, 14, 41, 43, 49, 82, 86, 98, 127, 254, 287, 301, 574, 602, 889, 1763, 1778, 2009, 2107, 3526, 4018, 4214, 5207, 5461, 6223, 10414, 10922, 12341, 12446, 24682, 36449, 38227, 72898, 76454, 86387, 172774, 223901, 255143, 267589, 447802, 510286, 535178, 1567307, 3134614, 10971149, 21942298]

約数ペア:

[(1, 21942298), (2, 10971149), (7, 3134614), (14, 1567307), (41, 535178), (43, 510286), (49, 447802), (82, 267589), (86, 255143), (98, 223901), (127, 172774), (254, 86387), (287, 76454), (301, 72898), (574, 38227), (602, 36449), (889, 24682), (1763, 12446), (1778, 12341), (2009, 10922), (2107, 10414), (3526, 6223), (4018, 5461), (4214, 5207)]