21802854

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{27739}}^1$

素因数の和:27875

約数の個数: 16

約数和(自身を含む): 43940160

約数和(自身を除く): 22137306

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 27739, 55478, 83217, 166434, 3633809, 7267618, 10901427, 21802854]

約数ペア:

[(1, 21802854), (2, 10901427), (3, 7267618), (6, 3633809), (131, 166434), (262, 83217), (393, 55478), (786, 27739)]