21054894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12227}}^1$

素因数の和:12280

約数の個数: 32

約数和(自身を含む): 49303296

約数和(自身を除く): 28248402

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12227, 24454, 36681, 73362, 85589, 171178, 256767, 501307, 513534, 1002614, 1503921, 3007842, 3509149, 7018298, 10527447, 21054894]

約数ペア:

[(1, 21054894), (2, 10527447), (3, 7018298), (6, 3509149), (7, 3007842), (14, 1503921), (21, 1002614), (41, 513534), (42, 501307), (82, 256767), (123, 171178), (246, 85589), (287, 73362), (574, 36681), (861, 24454), (1722, 12227)]