8786820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20921}}^1$

素因数の和:20940

約数の個数: 48

約数和(自身を含む): 28119168

約数和(自身を除く): 19332348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20921, 41842, 62763, 83684, 104605, 125526, 146447, 209210, 251052, 292894, 313815, 418420, 439341, 585788, 627630, 732235, 878682, 1255260, 1464470, 1757364, 2196705, 2928940, 4393410, 8786820]

約数ペア:

[(1, 8786820), (2, 4393410), (3, 2928940), (4, 2196705), (5, 1757364), (6, 1464470), (7, 1255260), (10, 878682), (12, 732235), (14, 627630), (15, 585788), (20, 439341), (21, 418420), (28, 313815), (30, 292894), (35, 251052), (42, 209210), (60, 146447), (70, 125526), (84, 104605), (105, 83684), (140, 62763), (210, 41842), (420, 20921)]