21138378

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{207239}}^1$

素因数の和:207261

約数の個数: 16

約数和(自身を含む): 44763840

約数和(自身を除く): 23625462

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 207239, 414478, 621717, 1243434, 3523063, 7046126, 10569189, 21138378]

約数ペア:

[(1, 21138378), (2, 10569189), (3, 7046126), (6, 3523063), (17, 1243434), (34, 621717), (51, 414478), (102, 207239)]