21670792376

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{643}}^1\times {\mathrm{32159}}^1$

素因数の和:32939

約数の個数: 32

約数和(自身を含む): 41007859200

約数和(自身を除く): 19337066824

約数列:

[1, 2, 4, 8, 131, 262, 524, 643, 1048, 1286, 2572, 5144, 32159, 64318, 84233, 128636, 168466, 257272, 336932, 673864, 4212829, 8425658, 16851316, 20678237, 33702632, 41356474, 82712948, 165425896, 2708849047, 5417698094, 10835396188, 21670792376]

約数ペア:

[(1, 21670792376), (2, 10835396188), (4, 5417698094), (8, 2708849047), (131, 165425896), (262, 82712948), (524, 41356474), (643, 33702632), (1048, 20678237), (1286, 16851316), (2572, 8425658), (5144, 4212829), (32159, 673864), (64318, 336932), (84233, 257272), (128636, 168466)]