21331016

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7187}}^1$

素因数の和:7253

約数の個数: 32

約数和(自身を含む): 46578240

約数和(自身を除く): 25247224

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7187, 14374, 28748, 50309, 57496, 100618, 201236, 380911, 402472, 761822, 1523644, 2666377, 3047288, 5332754, 10665508, 21331016]

約数ペア:

[(1, 21331016), (2, 10665508), (4, 5332754), (7, 3047288), (8, 2666377), (14, 1523644), (28, 761822), (53, 402472), (56, 380911), (106, 201236), (212, 100618), (371, 57496), (424, 50309), (742, 28748), (1484, 14374), (2968, 7187)]