21796959

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1499}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 30096000

約数和(自身を除く): 8299041

約数列:

[1, 3, 37, 111, 131, 393, 1499, 4497, 4847, 14541, 55463, 166389, 196369, 589107, 7265653, 21796959]

約数ペア:

[(1, 21796959), (3, 7265653), (37, 589107), (111, 196369), (131, 166389), (393, 55463), (1499, 14541), (4497, 4847)]