21827949

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 37594368

約数和(自身を除く): 15766419

約数列:

[1, 3, 11, 13, 17, 33, 39, 41, 51, 73, 123, 143, 187, 219, 221, 429, 451, 533, 561, 663, 697, 803, 949, 1241, 1353, 1599, 2091, 2409, 2431, 2847, 2993, 3723, 5863, 7293, 7667, 8979, 9061, 10439, 13651, 16133, 17589, 23001, 27183, 31317, 32923, 38909, 40953, 48399, 50881, 98769, 99671, 116727, 152643, 177463, 299013, 427999, 532389, 559691, 661453, 1283997, 1679073, 1984359, 7275983, 21827949]

約数ペア:

[(1, 21827949), (3, 7275983), (11, 1984359), (13, 1679073), (17, 1283997), (33, 661453), (39, 559691), (41, 532389), (51, 427999), (73, 299013), (123, 177463), (143, 152643), (187, 116727), (219, 99671), (221, 98769), (429, 50881), (451, 48399), (533, 40953), (561, 38909), (663, 32923), (697, 31317), (803, 27183), (949, 23001), (1241, 17589), (1353, 16133), (1599, 13651), (2091, 10439), (2409, 9061), (2431, 8979), (2847, 7667), (2993, 7293), (3723, 5863)]