21120814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73849}}^1$

素因数の和:73875

約数の個数: 16

約数和(自身を含む): 37220400

約数和(自身を除く): 16099586

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73849, 147698, 812339, 960037, 1624678, 1920074, 10560407, 21120814]

約数ペア:

[(1, 21120814), (2, 10560407), (11, 1920074), (13, 1624678), (22, 960037), (26, 812339), (143, 147698), (286, 73849)]