21850474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20731}}^1$

素因数の和:20781

約数の個数: 16

約数和(自身を含む): 35824896

約数和(自身を除く): 13974422

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20731, 41462, 352427, 642661, 704854, 1285322, 10925237, 21850474]

約数ペア:

[(1, 21850474), (2, 10925237), (17, 1285322), (31, 704854), (34, 642661), (62, 352427), (527, 41462), (1054, 20731)]