21013326

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 49359024

約数和(自身を除く): 28345698

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 1597, 2193, 3194, 4386, 4791, 6579, 9582, 13158, 14373, 27149, 28746, 54298, 68671, 81447, 137342, 162894, 206013, 244341, 412026, 488682, 618039, 1167407, 1236078, 2334814, 3502221, 7004442, 10506663, 21013326]

約数ペア:

[(1, 21013326), (2, 10506663), (3, 7004442), (6, 3502221), (9, 2334814), (17, 1236078), (18, 1167407), (34, 618039), (43, 488682), (51, 412026), (86, 244341), (102, 206013), (129, 162894), (153, 137342), (258, 81447), (306, 68671), (387, 54298), (731, 28746), (774, 27149), (1462, 14373), (1597, 13158), (2193, 9582), (3194, 6579), (4386, 4791)]