21707510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197341}}^1$

素因数の和:197359

約数の個数: 16

約数和(自身を含む): 42625872

約数和(自身を除く): 20918362

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197341, 394682, 986705, 1973410, 2170751, 4341502, 10853755, 21707510]

約数ペア:

[(1, 21707510), (2, 10853755), (5, 4341502), (10, 2170751), (11, 1973410), (22, 986705), (55, 394682), (110, 197341)]