21014745115

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6421}}^1\times {\mathrm{7193}}^1$

素因数の和:13639

約数の個数: 32

約数和(自身を含む): 31046311296

約数和(自身を除く): 10031566181

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 6421, 7193, 32105, 35965, 44947, 50351, 83473, 93509, 224735, 251755, 417365, 467545, 584311, 654563, 2921555, 3272815, 46186253, 230931265, 323303771, 600421289, 1616518855, 3002106445, 4202949023, 21014745115]

約数ペア:

[(1, 21014745115), (5, 4202949023), (7, 3002106445), (13, 1616518855), (35, 600421289), (65, 323303771), (91, 230931265), (455, 46186253), (6421, 3272815), (7193, 2921555), (32105, 654563), (35965, 584311), (44947, 467545), (50351, 417365), (83473, 251755), (93509, 224735)]