21421728

素因数分解:

$2^5\times 3^2\times {\mathrm{74381}}^1$

素因数の和:74397

約数の個数: 36

約数和(自身を含む): 60918858

約数和(自身を除く): 39497130

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 74381, 148762, 223143, 297524, 446286, 595048, 669429, 892572, 1190096, 1338858, 1785144, 2380192, 2677716, 3570288, 5355432, 7140576, 10710864, 21421728]

約数ペア:

[(1, 21421728), (2, 10710864), (3, 7140576), (4, 5355432), (6, 3570288), (8, 2677716), (9, 2380192), (12, 1785144), (16, 1338858), (18, 1190096), (24, 892572), (32, 669429), (36, 595048), (48, 446286), (72, 297524), (96, 223143), (144, 148762), (288, 74381)]