21386562

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{19913}}^1$

素因数の和:20097

約数の個数: 16

約数和(自身を含む): 43014240

約数和(自身を除く): 21627678

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 19913, 39826, 59739, 119478, 3564427, 7128854, 10693281, 21386562]

約数ペア:

[(1, 21386562), (2, 10693281), (3, 7128854), (6, 3564427), (179, 119478), (358, 59739), (537, 39826), (1074, 19913)]