21737277

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 33007104

約数和(自身を除く): 11269827

約数列:

[1, 3, 9, 23, 69, 173, 207, 519, 607, 1557, 1821, 3979, 5463, 11937, 13961, 35811, 41883, 105011, 125649, 315033, 945099, 2415253, 7245759, 21737277]

約数ペア:

[(1, 21737277), (3, 7245759), (9, 2415253), (23, 945099), (69, 315033), (173, 125649), (207, 105011), (519, 41883), (607, 35811), (1557, 13961), (1821, 11937), (3979, 5463)]