21325960

素因数分解:

$2^3\times 5^1\times {\mathrm{533149}}^1$

素因数の和:533160

約数の個数: 16

約数和(自身を含む): 47983500

約数和(自身を除く): 26657540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 533149, 1066298, 2132596, 2665745, 4265192, 5331490, 10662980, 21325960]

約数ペア:

[(1, 21325960), (2, 10662980), (4, 5331490), (5, 4265192), (8, 2665745), (10, 2132596), (20, 1066298), (40, 533149)]