21037515248

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1394321}}^1$

素因数の和:1394393

約数の個数: 40

約数和(自身を含む): 43569773856

約数和(自身を除く): 22532258608

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 943, 1886, 3772, 7544, 15088, 1394321, 2788642, 5577284, 11154568, 22309136, 32069383, 57167161, 64138766, 114334322, 128277532, 228668644, 256555064, 457337288, 513110128, 914674576, 1314844703, 2629689406, 5259378812, 10518757624, 21037515248]

約数ペア:

[(1, 21037515248), (2, 10518757624), (4, 5259378812), (8, 2629689406), (16, 1314844703), (23, 914674576), (41, 513110128), (46, 457337288), (82, 256555064), (92, 228668644), (164, 128277532), (184, 114334322), (328, 64138766), (368, 57167161), (656, 32069383), (943, 22309136), (1886, 11154568), (3772, 5577284), (7544, 2788642), (15088, 1394321)]