21000827214

素因数分解:

$2^1\times 3^2\times {\mathrm{419}}^1\times {\mathrm{2784517}}^1$

素因数の和:2784944

約数の個数: 24

約数和(自身を含む): 45610404840

約数和(自身を除く): 24609577626

約数列:

[1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 3771, 7542, 2784517, 5569034, 8353551, 16707102, 25060653, 50121306, 1166712623, 2333425246, 3500137869, 7000275738, 10500413607, 21000827214]

約数ペア:

[(1, 21000827214), (2, 10500413607), (3, 7000275738), (6, 3500137869), (9, 2333425246), (18, 1166712623), (419, 50121306), (838, 25060653), (1257, 16707102), (2514, 8353551), (3771, 5569034), (7542, 2784517)]