21201584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3437

約数の個数: 40

約数和(自身を含む): 45398880

約数和(自身を除く): 24197296

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3389, 6256, 6778, 13556, 27112, 54224, 57613, 77947, 115226, 155894, 230452, 311788, 460904, 623576, 921808, 1247152, 1325099, 2650198, 5300396, 10600792, 21201584]

約数ペア:

[(1, 21201584), (2, 10600792), (4, 5300396), (8, 2650198), (16, 1325099), (17, 1247152), (23, 921808), (34, 623576), (46, 460904), (68, 311788), (92, 230452), (136, 155894), (184, 115226), (272, 77947), (368, 57613), (391, 54224), (782, 27112), (1564, 13556), (3128, 6778), (3389, 6256)]