21000279742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{5407}}^1\times {\mathrm{149381}}^1$

素因数の和:154803

約数の個数: 16

約数和(自身を含む): 33930029952

約数和(自身を除く): 12929750210

約数列:

[1, 2, 13, 26, 5407, 10814, 70291, 140582, 149381, 298762, 1941953, 3883906, 807703067, 1615406134, 10500139871, 21000279742]

約数ペア:

[(1, 21000279742), (2, 10500139871), (13, 1615406134), (26, 807703067), (5407, 3883906), (10814, 1941953), (70291, 298762), (140582, 149381)]