2021036780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{352097}}^1$

素因数の和:352154

約数の個数: 48

約数和(自身を含む): 4968806976

約数和(自身を除く): 2947770196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 352097, 704194, 1408388, 1760485, 2464679, 3520970, 4929358, 7041940, 9858716, 12323395, 14435977, 24646790, 28871954, 49293580, 57743908, 72179885, 101051839, 144359770, 202103678, 288719540, 404207356, 505259195, 1010518390, 2021036780]

約数ペア:

[(1, 2021036780), (2, 1010518390), (4, 505259195), (5, 404207356), (7, 288719540), (10, 202103678), (14, 144359770), (20, 101051839), (28, 72179885), (35, 57743908), (41, 49293580), (70, 28871954), (82, 24646790), (140, 14435977), (164, 12323395), (205, 9858716), (287, 7041940), (410, 4929358), (574, 3520970), (820, 2464679), (1148, 1760485), (1435, 1408388), (2870, 704194), (5740, 352097)]