21143726

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5441}}^1$

素因数の和:5539

約数の個数: 16

約数和(自身を含む): 33305040

約数和(自身を除く): 12161314

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 5441, 10882, 157789, 315578, 364547, 729094, 10571863, 21143726]

約数ペア:

[(1, 21143726), (2, 10571863), (29, 729094), (58, 364547), (67, 315578), (134, 157789), (1943, 10882), (3886, 5441)]