21574852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1531}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 40836992

約数和(自身を除く): 19262140

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 1531, 3062, 3523, 6124, 7046, 14092, 19903, 39806, 79612, 414901, 829802, 1659604, 5393713, 10787426, 21574852]

約数ペア:

[(1, 21574852), (2, 10787426), (4, 5393713), (13, 1659604), (26, 829802), (52, 414901), (271, 79612), (542, 39806), (1084, 19903), (1531, 14092), (3062, 7046), (3523, 6124)]