21470141

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5261}}^1$

素因数の和:5332

約数の個数: 16

約数和(自身を含む): 27278208

約数和(自身を除く): 5808067

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 5261, 36827, 57871, 278833, 405097, 1951831, 3067163, 21470141]

約数ペア:

[(1, 21470141), (7, 3067163), (11, 1951831), (53, 405097), (77, 278833), (371, 57871), (583, 36827), (4081, 5261)]