21084315518

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2160721}}^1$

素因数の和:2160788

約数の個数: 32

約数和(自身を含む): 39204139968

約数和(自身を除く): 18119824450

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 4879, 9758, 2160721, 4321442, 15125047, 30250094, 36732257, 73464514, 88589561, 177179122, 257125799, 514251598, 620126927, 1240253854, 1506022537, 3012045074, 10542157759, 21084315518]

約数ペア:

[(1, 21084315518), (2, 10542157759), (7, 3012045074), (14, 1506022537), (17, 1240253854), (34, 620126927), (41, 514251598), (82, 257125799), (119, 177179122), (238, 88589561), (287, 73464514), (574, 36732257), (697, 30250094), (1394, 15125047), (4879, 4321442), (9758, 2160721)]