21094700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 50663424

約数和(自身を除く): 29568724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 127, 151, 220, 254, 275, 302, 508, 550, 604, 635, 755, 1100, 1270, 1397, 1510, 1661, 2540, 2794, 3020, 3175, 3322, 3775, 5588, 6350, 6644, 6985, 7550, 8305, 12700, 13970, 15100, 16610, 19177, 27940, 33220, 34925, 38354, 41525, 69850, 76708, 83050, 95885, 139700, 166100, 191770, 210947, 383540, 421894, 479425, 843788, 958850, 1054735, 1917700, 2109470, 4218940, 5273675, 10547350, 21094700]

約数ペア:

[(1, 21094700), (2, 10547350), (4, 5273675), (5, 4218940), (10, 2109470), (11, 1917700), (20, 1054735), (22, 958850), (25, 843788), (44, 479425), (50, 421894), (55, 383540), (100, 210947), (110, 191770), (127, 166100), (151, 139700), (220, 95885), (254, 83050), (275, 76708), (302, 69850), (508, 41525), (550, 38354), (604, 34925), (635, 33220), (755, 27940), (1100, 19177), (1270, 16610), (1397, 15100), (1510, 13970), (1661, 12700), (2540, 8305), (2794, 7550), (3020, 6985), (3175, 6644), (3322, 6350), (3775, 5588)]