21049350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20047}}^1$

素因数の和:20069

約数の個数: 48

約数和(自身を含む): 59662848

約数和(自身を除く): 38613498

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20047, 40094, 60141, 100235, 120282, 140329, 200470, 280658, 300705, 420987, 501175, 601410, 701645, 841974, 1002350, 1403290, 1503525, 2104935, 3007050, 3508225, 4209870, 7016450, 10524675, 21049350]

約数ペア:

[(1, 21049350), (2, 10524675), (3, 7016450), (5, 4209870), (6, 3508225), (7, 3007050), (10, 2104935), (14, 1503525), (15, 1403290), (21, 1002350), (25, 841974), (30, 701645), (35, 601410), (42, 501175), (50, 420987), (70, 300705), (75, 280658), (105, 200470), (150, 140329), (175, 120282), (210, 100235), (350, 60141), (525, 40094), (1050, 20047)]