21403148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10039}}^1$

素因数の和:10097

約数の個数: 24

約数和(自身を含む): 41324640

約数和(自身を除く): 19921492

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 10039, 20078, 40156, 130507, 261014, 411599, 522028, 823198, 1646396, 5350787, 10701574, 21403148]

約数ペア:

[(1, 21403148), (2, 10701574), (4, 5350787), (13, 1646396), (26, 823198), (41, 522028), (52, 411599), (82, 261014), (164, 130507), (533, 40156), (1066, 20078), (2132, 10039)]