21455442

素因数分解:

$2^1\times 3^5\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 48720672

約数和(自身を除く): 27265230

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 243, 262, 337, 393, 486, 674, 786, 1011, 1179, 2022, 2358, 3033, 3537, 6066, 7074, 9099, 10611, 18198, 21222, 27297, 31833, 44147, 54594, 63666, 81891, 88294, 132441, 163782, 264882, 397323, 794646, 1191969, 2383938, 3575907, 7151814, 10727721, 21455442]

約数ペア:

[(1, 21455442), (2, 10727721), (3, 7151814), (6, 3575907), (9, 2383938), (18, 1191969), (27, 794646), (54, 397323), (81, 264882), (131, 163782), (162, 132441), (243, 88294), (262, 81891), (337, 63666), (393, 54594), (486, 44147), (674, 31833), (786, 27297), (1011, 21222), (1179, 18198), (2022, 10611), (2358, 9099), (3033, 7074), (3537, 6066)]