21000768288

素因数分解:

$2^5\times 3^1\times {\mathrm{877}}^1\times {\mathrm{249439}}^1$

素因数の和:250329

約数の個数: 48

約数和(自身を含む): 55190096640

約数和(自身を除く): 34189328352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 877, 1754, 2631, 3508, 5262, 7016, 10524, 14032, 21048, 28064, 42096, 84192, 249439, 498878, 748317, 997756, 1496634, 1995512, 2993268, 3991024, 5986536, 7982048, 11973072, 23946144, 218758003, 437516006, 656274009, 875032012, 1312548018, 1750064024, 2625096036, 3500128048, 5250192072, 7000256096, 10500384144, 21000768288]

約数ペア:

[(1, 21000768288), (2, 10500384144), (3, 7000256096), (4, 5250192072), (6, 3500128048), (8, 2625096036), (12, 1750064024), (16, 1312548018), (24, 875032012), (32, 656274009), (48, 437516006), (96, 218758003), (877, 23946144), (1754, 11973072), (2631, 7982048), (3508, 5986536), (5262, 3991024), (7016, 2993268), (10524, 1995512), (14032, 1496634), (21048, 997756), (28064, 748317), (42096, 498878), (84192, 249439)]