21251417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2698663

約数列:

[1, 11, 43, 179, 251, 473, 1969, 2761, 7697, 10793, 44929, 84667, 118723, 494219, 1931947, 21251417]

約数ペア:

[(1, 21251417), (11, 1931947), (43, 494219), (179, 118723), (251, 84667), (473, 44929), (1969, 10793), (2761, 7697)]