21000401271

素因数分解:

$3^2\times {\mathrm{277}}^1\times {\mathrm{1723}}^1\times {\mathrm{4889}}^1$

素因数の和:6895

約数の個数: 24

約数和(自身を含む): 30467321040

約数和(自身を除く): 9466919769

約数列:

[1, 3, 9, 277, 831, 1723, 2493, 4889, 5169, 14667, 15507, 44001, 477271, 1354253, 1431813, 4062759, 4295439, 8423747, 12188277, 25271241, 75813723, 2333377919, 7000133757, 21000401271]

約数ペア:

[(1, 21000401271), (3, 7000133757), (9, 2333377919), (277, 75813723), (831, 25271241), (1723, 12188277), (2493, 8423747), (4889, 4295439), (5169, 4062759), (14667, 1431813), (15507, 1354253), (44001, 477271)]