2021406436

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{40949}}^1$

素因数の和:41044

約数の個数: 48

約数和(自身を含む): 4237833600

約数和(自身を除く): 2216427164

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 287, 301, 574, 602, 1148, 1204, 1763, 3526, 7052, 12341, 24682, 40949, 49364, 81898, 163796, 286643, 573286, 1146572, 1678909, 1760807, 3357818, 3521614, 6715636, 7043228, 11752363, 12325649, 23504726, 24651298, 47009452, 49302596, 72193087, 144386174, 288772348, 505351609, 1010703218, 2021406436]

約数ペア:

[(1, 2021406436), (2, 1010703218), (4, 505351609), (7, 288772348), (14, 144386174), (28, 72193087), (41, 49302596), (43, 47009452), (82, 24651298), (86, 23504726), (164, 12325649), (172, 11752363), (287, 7043228), (301, 6715636), (574, 3521614), (602, 3357818), (1148, 1760807), (1204, 1678909), (1763, 1146572), (3526, 573286), (7052, 286643), (12341, 163796), (24682, 81898), (40949, 49364)]