21157350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8297}}^1$

素因数の和:8329

約数の個数: 48

約数和(自身を含む): 55563408

約数和(自身を除く): 34406058

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8297, 16594, 24891, 41485, 49782, 82970, 124455, 141049, 207425, 248910, 282098, 414850, 423147, 622275, 705245, 846294, 1244550, 1410490, 2115735, 3526225, 4231470, 7052450, 10578675, 21157350]

約数ペア:

[(1, 21157350), (2, 10578675), (3, 7052450), (5, 4231470), (6, 3526225), (10, 2115735), (15, 1410490), (17, 1244550), (25, 846294), (30, 705245), (34, 622275), (50, 423147), (51, 414850), (75, 282098), (85, 248910), (102, 207425), (150, 141049), (170, 124455), (255, 82970), (425, 49782), (510, 41485), (850, 24891), (1275, 16594), (2550, 8297)]