21940432

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13577}}^1$

素因数の和:13686

約数の個数: 20

約数和(自身を含む): 42933636

約数和(自身を除く): 20993204

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13577, 27154, 54308, 108616, 217232, 1371277, 2742554, 5485108, 10970216, 21940432]

約数ペア:

[(1, 21940432), (2, 10970216), (4, 5485108), (8, 2742554), (16, 1371277), (101, 217232), (202, 108616), (404, 54308), (808, 27154), (1616, 13577)]