21896140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22343}}^1$

素因数の和:22366

約数の個数: 36

約数和(自身を含む): 53491536

約数和(自身を除く): 31595396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22343, 44686, 89372, 111715, 156401, 223430, 312802, 446860, 625604, 782005, 1094807, 1564010, 2189614, 3128020, 4379228, 5474035, 10948070, 21896140]

約数ペア:

[(1, 21896140), (2, 10948070), (4, 5474035), (5, 4379228), (7, 3128020), (10, 2189614), (14, 1564010), (20, 1094807), (28, 782005), (35, 625604), (49, 446860), (70, 312802), (98, 223430), (140, 156401), (196, 111715), (245, 89372), (490, 44686), (980, 22343)]