21867777

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 32823336

約数和(自身を除く): 10955559

約数列:

[1, 3, 9, 37, 97, 111, 291, 333, 677, 873, 2031, 3589, 6093, 10767, 25049, 32301, 65669, 75147, 197007, 225441, 591021, 2429753, 7289259, 21867777]

約数ペア:

[(1, 21867777), (3, 7289259), (9, 2429753), (37, 591021), (97, 225441), (111, 197007), (291, 75147), (333, 65669), (677, 32301), (873, 25049), (2031, 10767), (3589, 6093)]