21305450

素因数分解:

$2^1\times 5^2\times {\mathrm{601}}^1\times {\mathrm{709}}^1$

素因数の和:1322

約数の個数: 24

約数和(自身を含む): 39750060

約数和(自身を除く): 18444610

約数列:

[1, 2, 5, 10, 25, 50, 601, 709, 1202, 1418, 3005, 3545, 6010, 7090, 15025, 17725, 30050, 35450, 426109, 852218, 2130545, 4261090, 10652725, 21305450]

約数ペア:

[(1, 21305450), (2, 10652725), (5, 4261090), (10, 2130545), (25, 852218), (50, 426109), (601, 35450), (709, 30050), (1202, 17725), (1418, 15025), (3005, 7090), (3545, 6010)]