21973756

素因数分解:

$2^2\times 7^2\times {\mathrm{112111}}^1$

素因数の和:112129

約数の個数: 18

約数和(自身を含む): 44732688

約数和(自身を除く): 22758932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 112111, 224222, 448444, 784777, 1569554, 3139108, 5493439, 10986878, 21973756]

約数ペア:

[(1, 21973756), (2, 10986878), (4, 5493439), (7, 3139108), (14, 1569554), (28, 784777), (49, 448444), (98, 224222), (196, 112111)]