21086534

素因数分解:

$2^1\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{1373}}^1$

素因数の和:2479

約数の個数: 16

約数和(自身を含む): 36207648

約数和(自身を除く): 15121114

約数列:

[1, 2, 7, 14, 1097, 1373, 2194, 2746, 7679, 9611, 15358, 19222, 1506181, 3012362, 10543267, 21086534]

約数ペア:

[(1, 21086534), (2, 10543267), (7, 3012362), (14, 1506181), (1097, 19222), (1373, 15358), (2194, 9611), (2746, 7679)]