21393190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23509}}^1$

素因数の和:23536

約数の個数: 32

約数和(自身を含む): 47396160

約数和(自身を除く): 26002970

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23509, 47018, 117545, 164563, 235090, 305617, 329126, 611234, 822815, 1528085, 1645630, 2139319, 3056170, 4278638, 10696595, 21393190]

約数ペア:

[(1, 21393190), (2, 10696595), (5, 4278638), (7, 3056170), (10, 2139319), (13, 1645630), (14, 1528085), (26, 822815), (35, 611234), (65, 329126), (70, 305617), (91, 235090), (130, 164563), (182, 117545), (455, 47018), (910, 23509)]