21157642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9337}}^1$

素因数の和:9453

約数の個数: 16

約数和(自身を含む): 34961472

約数和(自身を除く): 13803830

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9337, 18674, 102707, 205414, 961711, 1923422, 10578821, 21157642]

約数ペア:

[(1, 21157642), (2, 10578821), (11, 1923422), (22, 961711), (103, 205414), (206, 102707), (1133, 18674), (2266, 9337)]