21220600

素因数分解:

$2^3\times 5^2\times {\mathrm{106103}}^1$

素因数の和:106119

約数の個数: 24

約数和(自身を含む): 49338360

約数和(自身を除く): 28117760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106103, 212206, 424412, 530515, 848824, 1061030, 2122060, 2652575, 4244120, 5305150, 10610300, 21220600]

約数ペア:

[(1, 21220600), (2, 10610300), (4, 5305150), (5, 4244120), (8, 2652575), (10, 2122060), (20, 1061030), (25, 848824), (40, 530515), (50, 424412), (100, 212206), (200, 106103)]