21992828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38449}}^1$

素因数の和:38477

約数の個数: 24

約数和(自身を含む): 45217200

約数和(自身を除く): 23224372

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 38449, 76898, 153796, 422939, 499837, 845878, 999674, 1691756, 1999348, 5498207, 10996414, 21992828]

約数ペア:

[(1, 21992828), (2, 10996414), (4, 5498207), (11, 1999348), (13, 1691756), (22, 999674), (26, 845878), (44, 499837), (52, 422939), (143, 153796), (286, 76898), (572, 38449)]