21686924

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4327}}^1$

素因数の和:4517

約数の個数: 24

約数和(自身を含む): 43626240

約数和(自身を除く): 21939316

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4327, 5012, 8654, 17308, 30289, 60578, 121156, 774533, 1549066, 3098132, 5421731, 10843462, 21686924]

約数ペア:

[(1, 21686924), (2, 10843462), (4, 5421731), (7, 3098132), (14, 1549066), (28, 774533), (179, 121156), (358, 60578), (716, 30289), (1253, 17308), (2506, 8654), (4327, 5012)]