21054272

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5393}}^1$

素因数の和:5466

約数の個数: 28

約数和(自身を含む): 42472356

約数和(自身を除く): 21418084

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5393, 10786, 21572, 43144, 86288, 172576, 328973, 345152, 657946, 1315892, 2631784, 5263568, 10527136, 21054272]

約数ペア:

[(1, 21054272), (2, 10527136), (4, 5263568), (8, 2631784), (16, 1315892), (32, 657946), (61, 345152), (64, 328973), (122, 172576), (244, 86288), (488, 43144), (976, 21572), (1952, 10786), (3904, 5393)]