21743956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1543}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 41156864

約数和(自身を除く): 19412908

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 1543, 3086, 3523, 6172, 7046, 14092, 20059, 40118, 80236, 418153, 836306, 1672612, 5435989, 10871978, 21743956]

約数ペア:

[(1, 21743956), (2, 10871978), (4, 5435989), (13, 1672612), (26, 836306), (52, 418153), (271, 80236), (542, 40118), (1084, 20059), (1543, 14092), (3086, 7046), (3523, 6172)]