21536956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40483}}^1$

素因数の和:40513

約数の個数: 24

約数和(自身を含む): 45342080

約数和(自身を除く): 23805124

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40483, 80966, 161932, 283381, 566762, 769177, 1133524, 1538354, 3076708, 5384239, 10768478, 21536956]

約数ペア:

[(1, 21536956), (2, 10768478), (4, 5384239), (7, 3076708), (14, 1538354), (19, 1133524), (28, 769177), (38, 566762), (76, 283381), (133, 161932), (266, 80966), (532, 40483)]