8963220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21341}}^1$

素因数の和:21360

約数の個数: 48

約数和(自身を含む): 28683648

約数和(自身を除く): 19720428

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, 21341, 42682, 64023, 85364, 106705, 128046, 149387, 213410, 256092, 298774, 320115, 426820, 448161, 597548, 640230, 746935, 896322, 1280460, 1493870, 1792644, 2240805, 2987740, 4481610, 8963220]

約数ペア:

[(1, 8963220), (2, 4481610), (3, 2987740), (4, 2240805), (5, 1792644), (6, 1493870), (7, 1280460), (10, 896322), (12, 746935), (14, 640230), (15, 597548), (20, 448161), (21, 426820), (28, 320115), (30, 298774), (35, 256092), (42, 213410), (60, 149387), (70, 128046), (84, 106705), (105, 85364), (140, 64023), (210, 42682), (420, 21341)]