21198284

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 37836288

約数和(自身を除く): 16638004

約数列:

[1, 2, 4, 101, 137, 202, 274, 383, 404, 548, 766, 1532, 13837, 27674, 38683, 52471, 55348, 77366, 104942, 154732, 209884, 5299571, 10599142, 21198284]

約数ペア:

[(1, 21198284), (2, 10599142), (4, 5299571), (101, 209884), (137, 154732), (202, 104942), (274, 77366), (383, 55348), (404, 52471), (548, 38683), (766, 27674), (1532, 13837)]