21641550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20611}}^1$

素因数の和:20633

約数の個数: 48

約数和(自身を含む): 61341312

約数和(自身を除く): 39699762

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, 20611, 41222, 61833, 103055, 123666, 144277, 206110, 288554, 309165, 432831, 515275, 618330, 721385, 865662, 1030550, 1442770, 1545825, 2164155, 3091650, 3606925, 4328310, 7213850, 10820775, 21641550]

約数ペア:

[(1, 21641550), (2, 10820775), (3, 7213850), (5, 4328310), (6, 3606925), (7, 3091650), (10, 2164155), (14, 1545825), (15, 1442770), (21, 1030550), (25, 865662), (30, 721385), (35, 618330), (42, 515275), (50, 432831), (70, 309165), (75, 288554), (105, 206110), (150, 144277), (175, 123666), (210, 103055), (350, 61833), (525, 41222), (1050, 20611)]