21921448

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 43245000

約数和(自身を除く): 21323552

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1549, 1769, 3098, 3538, 6196, 7076, 12392, 14152, 44921, 89842, 94489, 179684, 188978, 359368, 377956, 755912, 2740181, 5480362, 10960724, 21921448]

約数ペア:

[(1, 21921448), (2, 10960724), (4, 5480362), (8, 2740181), (29, 755912), (58, 377956), (61, 359368), (116, 188978), (122, 179684), (232, 94489), (244, 89842), (488, 44921), (1549, 14152), (1769, 12392), (3098, 7076), (3538, 6196)]