21090366

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3673}}^1$

素因数の和:3721

約数の個数: 48

約数和(自身を含む): 51582960

約数和(自身を除く): 30492594

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 174, 198, 261, 319, 522, 638, 957, 1914, 2871, 3673, 5742, 7346, 11019, 22038, 33057, 40403, 66114, 80806, 106517, 121209, 213034, 242418, 319551, 363627, 639102, 727254, 958653, 1171687, 1917306, 2343374, 3515061, 7030122, 10545183, 21090366]

約数ペア:

[(1, 21090366), (2, 10545183), (3, 7030122), (6, 3515061), (9, 2343374), (11, 1917306), (18, 1171687), (22, 958653), (29, 727254), (33, 639102), (58, 363627), (66, 319551), (87, 242418), (99, 213034), (174, 121209), (198, 106517), (261, 80806), (319, 66114), (522, 40403), (638, 33057), (957, 22038), (1914, 11019), (2871, 7346), (3673, 5742)]