21956799

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 10875201

約数列:

[1, 3, 19, 29, 37, 57, 87, 111, 359, 551, 703, 1073, 1077, 1653, 2109, 3219, 6821, 10411, 13283, 20387, 20463, 31233, 39849, 61161, 197809, 252377, 385207, 593427, 757131, 1155621, 7318933, 21956799]

約数ペア:

[(1, 21956799), (3, 7318933), (19, 1155621), (29, 757131), (37, 593427), (57, 385207), (87, 252377), (111, 197809), (359, 61161), (551, 39849), (703, 31233), (1073, 20463), (1077, 20387), (1653, 13283), (2109, 10411), (3219, 6821)]