21020996884

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{4253}}^1\times {\mathrm{8293}}^1$

素因数の和:12699

約数の個数: 24

約数和(自身を含む): 37046809800

約数和(自身を除く): 16025812916

約数列:

[1, 2, 4, 149, 298, 596, 4253, 8293, 8506, 16586, 17012, 33172, 633697, 1235657, 1267394, 2471314, 2534788, 4942628, 35270129, 70540258, 141080516, 5255249221, 10510498442, 21020996884]

約数ペア:

[(1, 21020996884), (2, 10510498442), (4, 5255249221), (149, 141080516), (298, 70540258), (596, 35270129), (4253, 4942628), (8293, 2534788), (8506, 2471314), (16586, 1267394), (17012, 1235657), (33172, 633697)]