21276142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3389}}^1$

素因数の和:3507

約数の個数: 16

約数和(自身を含む): 33113520

約数和(自身を除く): 11837378

約数列:

[1, 2, 43, 73, 86, 146, 3139, 3389, 6278, 6778, 145727, 247397, 291454, 494794, 10638071, 21276142]

約数ペア:

[(1, 21276142), (2, 10638071), (43, 494794), (73, 291454), (86, 247397), (146, 145727), (3139, 6778), (3389, 6278)]