21270954

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8461}}^1$

素因数の和:8885

約数の個数: 16

約数和(自身を含む): 42648480

約数和(自身を除く): 21377526

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8461, 16922, 25383, 50766, 3545159, 7090318, 10635477, 21270954]

約数ペア:

[(1, 21270954), (2, 10635477), (3, 7090318), (6, 3545159), (419, 50766), (838, 25383), (1257, 16922), (2514, 8461)]