21891394

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50441}}^1$

素因数の和:50481

約数の個数: 16

約数和(自身を含む): 38739456

約数和(自身を除く): 16848062

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 50441, 100882, 353087, 706174, 1563671, 3127342, 10945697, 21891394]

約数ペア:

[(1, 21891394), (2, 10945697), (7, 3127342), (14, 1563671), (31, 706174), (62, 353087), (217, 100882), (434, 50441)]