21770372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{839}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 41160000

約数和(自身を除く): 19389628

約数列:

[1, 2, 4, 13, 26, 52, 499, 839, 998, 1678, 1996, 3356, 6487, 10907, 12974, 21814, 25948, 43628, 418661, 837322, 1674644, 5442593, 10885186, 21770372]

約数ペア:

[(1, 21770372), (2, 10885186), (4, 5442593), (13, 1674644), (26, 837322), (52, 418661), (499, 43628), (839, 25948), (998, 21814), (1678, 12974), (1996, 10907), (3356, 6487)]