21749552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 46282752

約数和(自身を除く): 24533200

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 191, 382, 647, 764, 1294, 1528, 2101, 2588, 3056, 4202, 5176, 7117, 8404, 10352, 14234, 16808, 28468, 33616, 56936, 113872, 123577, 247154, 494308, 988616, 1359347, 1977232, 2718694, 5437388, 10874776, 21749552]

約数ペア:

[(1, 21749552), (2, 10874776), (4, 5437388), (8, 2718694), (11, 1977232), (16, 1359347), (22, 988616), (44, 494308), (88, 247154), (176, 123577), (191, 113872), (382, 56936), (647, 33616), (764, 28468), (1294, 16808), (1528, 14234), (2101, 10352), (2588, 8404), (3056, 7117), (4202, 5176)]