21652576

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 46947600

約数和(自身を除く): 25295024

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 137, 176, 274, 352, 449, 548, 898, 1096, 1507, 1796, 2192, 3014, 3592, 4384, 4939, 6028, 7184, 9878, 12056, 14368, 19756, 24112, 39512, 48224, 61513, 79024, 123026, 158048, 246052, 492104, 676643, 984208, 1353286, 1968416, 2706572, 5413144, 10826288, 21652576]

約数ペア:

[(1, 21652576), (2, 10826288), (4, 5413144), (8, 2706572), (11, 1968416), (16, 1353286), (22, 984208), (32, 676643), (44, 492104), (88, 246052), (137, 158048), (176, 123026), (274, 79024), (352, 61513), (449, 48224), (548, 39512), (898, 24112), (1096, 19756), (1507, 14368), (1796, 12056), (2192, 9878), (3014, 7184), (3592, 6028), (4384, 4939)]