21076245

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8837}}^1$

素因数の和:8901

約数の個数: 24

約数和(自身を含む): 37225656

約数和(自身を除く): 16149411

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8837, 26511, 44185, 79533, 132555, 397665, 468361, 1405083, 2341805, 4215249, 7025415, 21076245]

約数ペア:

[(1, 21076245), (3, 7025415), (5, 4215249), (9, 2341805), (15, 1405083), (45, 468361), (53, 397665), (159, 132555), (265, 79533), (477, 44185), (795, 26511), (2385, 8837)]