21257148

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161039}}^1$

素因数の和:161057

約数の個数: 24

約数和(自身を含む): 54109440

約数和(自身を除く): 32852292

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161039, 322078, 483117, 644156, 966234, 1771429, 1932468, 3542858, 5314287, 7085716, 10628574, 21257148]

約数ペア:

[(1, 21257148), (2, 10628574), (3, 7085716), (4, 5314287), (6, 3542858), (11, 1932468), (12, 1771429), (22, 966234), (33, 644156), (44, 483117), (66, 322078), (132, 161039)]