21910569

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1231}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 9135831

約数列:

[1, 3, 17, 51, 349, 1047, 1231, 3693, 5933, 17799, 20927, 62781, 429619, 1288857, 7303523, 21910569]

約数ペア:

[(1, 21910569), (3, 7303523), (17, 1288857), (51, 429619), (349, 62781), (1047, 20927), (1231, 17799), (3693, 5933)]