21261628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2767}}^1$

素因数の和:2901

約数の個数: 24

約数和(自身を含む): 39759552

約数和(自身を除く): 18497924

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2767, 3842, 5534, 7684, 11068, 47039, 94078, 188156, 312671, 625342, 1250684, 5315407, 10630814, 21261628]

約数ペア:

[(1, 21261628), (2, 10630814), (4, 5315407), (17, 1250684), (34, 625342), (68, 312671), (113, 188156), (226, 94078), (452, 47039), (1921, 11068), (2767, 7684), (3842, 5534)]