20211196131

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{49409}}^1$

素因数の和:49616

約数の個数: 48

約数和(自身を含む): 34367224320

約数和(自身を除く): 14156028189

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 151, 301, 387, 453, 903, 1057, 1359, 2709, 3171, 6493, 9513, 19479, 45451, 49409, 58437, 136353, 148227, 345863, 409059, 444681, 1037589, 2124587, 3112767, 6373761, 7460759, 14872109, 19121283, 22382277, 44616327, 52225313, 67146831, 133848981, 156675939, 320812637, 470027817, 962437911, 2245688459, 2887313733, 6737065377, 20211196131]

約数ペア:

[(1, 20211196131), (3, 6737065377), (7, 2887313733), (9, 2245688459), (21, 962437911), (43, 470027817), (63, 320812637), (129, 156675939), (151, 133848981), (301, 67146831), (387, 52225313), (453, 44616327), (903, 22382277), (1057, 19121283), (1359, 14872109), (2709, 7460759), (3171, 6373761), (6493, 3112767), (9513, 2124587), (19479, 1037589), (45451, 444681), (49409, 409059), (58437, 345863), (136353, 148227)]