21377823

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11329}}^1$

素因数の和:11386

約数の個数: 16

約数和(自身を含む): 30998880

約数和(自身を除く): 9621057

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11329, 33987, 192593, 419173, 577779, 1257519, 7125941, 21377823]

約数ペア:

[(1, 21377823), (3, 7125941), (17, 1257519), (37, 577779), (51, 419173), (111, 192593), (629, 33987), (1887, 11329)]