21698836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5463

約数の個数: 24

約数和(自身を含む): 40733280

約数和(自身を除く): 19034444

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5387, 10774, 21548, 102353, 204706, 285511, 409412, 571022, 1142044, 5424709, 10849418, 21698836]

約数ペア:

[(1, 21698836), (2, 10849418), (4, 5424709), (19, 1142044), (38, 571022), (53, 409412), (76, 285511), (106, 204706), (212, 102353), (1007, 21548), (2014, 10774), (4028, 5387)]