21895667

素因数分解:

${\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 1605133

約数列:

[1, 29, 59, 67, 191, 1711, 1943, 3953, 5539, 11269, 12797, 114637, 326801, 371113, 755023, 21895667]

約数ペア:

[(1, 21895667), (29, 755023), (59, 371113), (67, 326801), (191, 114637), (1711, 12797), (1943, 11269), (3953, 5539)]