21782786

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 33177600

約数和(自身を除く): 11394814

約数列:

[1, 2, 127, 191, 254, 382, 449, 898, 24257, 48514, 57023, 85759, 114046, 171518, 10891393, 21782786]

約数ペア:

[(1, 21782786), (2, 10891393), (127, 171518), (191, 114046), (254, 85759), (382, 57023), (449, 48514), (898, 24257)]