21790650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20753}}^1$

素因数の和:20775

約数の個数: 48

約数和(自身を含む): 61763904

約数和(自身を除く): 39973254

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, 20753, 41506, 62259, 103765, 124518, 145271, 207530, 290542, 311295, 435813, 518825, 622590, 726355, 871626, 1037650, 1452710, 1556475, 2179065, 3112950, 3631775, 4358130, 7263550, 10895325, 21790650]

約数ペア:

[(1, 21790650), (2, 10895325), (3, 7263550), (5, 4358130), (6, 3631775), (7, 3112950), (10, 2179065), (14, 1556475), (15, 1452710), (21, 1037650), (25, 871626), (30, 726355), (35, 622590), (42, 518825), (50, 435813), (70, 311295), (75, 290542), (105, 207530), (150, 145271), (175, 124518), (210, 103765), (350, 62259), (525, 41506), (1050, 20753)]