21776432

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71633}}^1$

素因数の和:71660

約数の個数: 20

約数和(自身を含む): 44413080

約数和(自身を除く): 22636648

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71633, 143266, 286532, 573064, 1146128, 1361027, 2722054, 5444108, 10888216, 21776432]

約数ペア:

[(1, 21776432), (2, 10888216), (4, 5444108), (8, 2722054), (16, 1361027), (19, 1146128), (38, 573064), (76, 286532), (152, 143266), (304, 71633)]