21449538

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 51158016

約数和(自身を除く): 29708478

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 127, 198, 254, 381, 762, 853, 1143, 1397, 1706, 2286, 2559, 2794, 4191, 5118, 7677, 8382, 9383, 12573, 15354, 18766, 25146, 28149, 56298, 84447, 108331, 168894, 216662, 324993, 649986, 974979, 1191641, 1949958, 2383282, 3574923, 7149846, 10724769, 21449538]

約数ペア:

[(1, 21449538), (2, 10724769), (3, 7149846), (6, 3574923), (9, 2383282), (11, 1949958), (18, 1191641), (22, 974979), (33, 649986), (66, 324993), (99, 216662), (127, 168894), (198, 108331), (254, 84447), (381, 56298), (762, 28149), (853, 25146), (1143, 18766), (1397, 15354), (1706, 12573), (2286, 9383), (2559, 8382), (2794, 7677), (4191, 5118)]