21653504

素因数分解:

$2^{11}\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 44144100

約数和(自身を除く): 22490596

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 109, 128, 194, 218, 256, 388, 436, 512, 776, 872, 1024, 1552, 1744, 2048, 3104, 3488, 6208, 6976, 10573, 12416, 13952, 21146, 24832, 27904, 42292, 49664, 55808, 84584, 99328, 111616, 169168, 198656, 223232, 338336, 676672, 1353344, 2706688, 5413376, 10826752, 21653504]

約数ペア:

[(1, 21653504), (2, 10826752), (4, 5413376), (8, 2706688), (16, 1353344), (32, 676672), (64, 338336), (97, 223232), (109, 198656), (128, 169168), (194, 111616), (218, 99328), (256, 84584), (388, 55808), (436, 49664), (512, 42292), (776, 27904), (872, 24832), (1024, 21146), (1552, 13952), (1744, 12416), (2048, 10573), (3104, 6976), (3488, 6208)]