21473166

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 30781554

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 29, 33, 39, 58, 66, 78, 87, 143, 174, 286, 319, 377, 429, 638, 754, 858, 863, 957, 1131, 1726, 1914, 2262, 2589, 4147, 5178, 8294, 9493, 11219, 12441, 18986, 22438, 24882, 25027, 28479, 33657, 50054, 56958, 67314, 75081, 123409, 150162, 246818, 275297, 325351, 370227, 550594, 650702, 740454, 825891, 976053, 1651782, 1952106, 3578861, 7157722, 10736583, 21473166]

約数ペア:

[(1, 21473166), (2, 10736583), (3, 7157722), (6, 3578861), (11, 1952106), (13, 1651782), (22, 976053), (26, 825891), (29, 740454), (33, 650702), (39, 550594), (58, 370227), (66, 325351), (78, 275297), (87, 246818), (143, 150162), (174, 123409), (286, 75081), (319, 67314), (377, 56958), (429, 50054), (638, 33657), (754, 28479), (858, 25027), (863, 24882), (957, 22438), (1131, 18986), (1726, 12441), (1914, 11219), (2262, 9493), (2589, 8294), (4147, 5178)]