21122494568

素因数分解:

$2^3\times 7^1\times {\mathrm{377187403}}^1$

素因数の和:377187416

約数の個数: 16

約数和(自身を含む): 45262488480

約数和(自身を除く): 24139993912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 377187403, 754374806, 1508749612, 2640311821, 3017499224, 5280623642, 10561247284, 21122494568]

約数ペア:

[(1, 21122494568), (2, 10561247284), (4, 5280623642), (7, 3017499224), (8, 2640311821), (14, 1508749612), (28, 754374806), (56, 377187403)]