21177960013

素因数分解:

$7^1\times {\mathrm{353}}^1\times {\mathrm{727}}^1\times {\mathrm{11789}}^1$

素因数の和:12876

約数の個数: 16

約数和(自身を含む): 24307395840

約数和(自身を除く): 3129435827

約数列:

[1, 7, 353, 727, 2471, 5089, 11789, 82523, 256631, 1796417, 4161517, 8570603, 29130619, 59994221, 3025422859, 21177960013]

約数ペア:

[(1, 21177960013), (7, 3025422859), (353, 59994221), (727, 29130619), (2471, 8570603), (5089, 4161517), (11789, 1796417), (82523, 256631)]