21082579505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4105663}}^1$

素因数の和:4105760

約数の個数: 16

約数和(自身を含む): 27590062080

約数和(自身を除く): 6507482575

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 4105663, 20528315, 53373619, 266868095, 324347377, 1621736885, 4216515901, 21082579505]

約数ペア:

[(1, 21082579505), (5, 4216515901), (13, 1621736885), (65, 324347377), (79, 266868095), (395, 53373619), (1027, 20528315), (5135, 4105663)]