21912214

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 24

約数和(自身を含む): 34645968

約数和(自身を除く): 12733754

約数列:

[1, 2, 37, 53, 74, 106, 151, 302, 1369, 1961, 2738, 3922, 5587, 8003, 11174, 16006, 72557, 145114, 206719, 296111, 413438, 592222, 10956107, 21912214]

約数ペア:

[(1, 21912214), (2, 10956107), (37, 592222), (53, 413438), (74, 296111), (106, 206719), (151, 145114), (302, 72557), (1369, 16006), (1961, 11174), (2738, 8003), (3922, 5587)]