21853060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12277}}^1$

素因数の和:12375

約数の個数: 24

約数和(自身を含む): 46410840

約数和(自身を除く): 24557780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12277, 24554, 49108, 61385, 122770, 245540, 1092653, 2185306, 4370612, 5463265, 10926530, 21853060]

約数ペア:

[(1, 21853060), (2, 10926530), (4, 5463265), (5, 4370612), (10, 2185306), (20, 1092653), (89, 245540), (178, 122770), (356, 61385), (445, 49108), (890, 24554), (1780, 12277)]