21628548

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20717}}^1$

素因数の和:20756

約数の個数: 36

約数和(自身を含む): 56560140

約数和(自身を除く): 34931592

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20717, 41434, 62151, 82868, 124302, 186453, 248604, 372906, 600793, 745812, 1201586, 1802379, 2403172, 3604758, 5407137, 7209516, 10814274, 21628548]

約数ペア:

[(1, 21628548), (2, 10814274), (3, 7209516), (4, 5407137), (6, 3604758), (9, 2403172), (12, 1802379), (18, 1201586), (29, 745812), (36, 600793), (58, 372906), (87, 248604), (116, 186453), (174, 124302), (261, 82868), (348, 62151), (522, 41434), (1044, 20717)]