21845551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3583}}^1$

素因数の和:3670

約数の個数: 16

約数和(自身を含む): 27295744

約数和(自身を除く): 5450193

約数列:

[1, 7, 13, 67, 91, 469, 871, 3583, 6097, 25081, 46579, 240061, 326053, 1680427, 3120793, 21845551]

約数ペア:

[(1, 21845551), (7, 3120793), (13, 1680427), (67, 326053), (91, 240061), (469, 46579), (871, 25081), (3583, 6097)]