21184551

素因数分解:

$3^3\times {\mathrm{389}}^1\times {\mathrm{2017}}^1$

素因数の和:2415

約数の個数: 16

約数和(自身を含む): 31480800

約数和(自身を除く): 10296249

約数列:

[1, 3, 9, 27, 389, 1167, 2017, 3501, 6051, 10503, 18153, 54459, 784613, 2353839, 7061517, 21184551]

約数ペア:

[(1, 21184551), (3, 7061517), (9, 2353839), (27, 784613), (389, 54459), (1167, 18153), (2017, 10503), (3501, 6051)]