21817209904

素因数分解:

$2^4\times 7^1\times {\mathrm{1777}}^1\times {\mathrm{109621}}^1$

素因数の和:111413

約数の個数: 40

約数和(自身を含む): 48337163168

約数和(自身を除く): 26519953264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1777, 3554, 7108, 12439, 14216, 24878, 28432, 49756, 99512, 109621, 199024, 219242, 438484, 767347, 876968, 1534694, 1753936, 3069388, 6138776, 12277552, 194796517, 389593034, 779186068, 1363575619, 1558372136, 2727151238, 3116744272, 5454302476, 10908604952, 21817209904]

約数ペア:

[(1, 21817209904), (2, 10908604952), (4, 5454302476), (7, 3116744272), (8, 2727151238), (14, 1558372136), (16, 1363575619), (28, 779186068), (56, 389593034), (112, 194796517), (1777, 12277552), (3554, 6138776), (7108, 3069388), (12439, 1753936), (14216, 1534694), (24878, 876968), (28432, 767347), (49756, 438484), (99512, 219242), (109621, 199024)]