21118422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270749}}^1$

素因数の和:270767

約数の個数: 16

約数和(自身を含む): 45486000

約数和(自身を除く): 24367578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270749, 541498, 812247, 1624494, 3519737, 7039474, 10559211, 21118422]

約数ペア:

[(1, 21118422), (2, 10559211), (3, 7039474), (6, 3519737), (13, 1624494), (26, 812247), (39, 541498), (78, 270749)]