21854469

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 38235008

約数和(自身を除く): 16380539

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 277, 289, 357, 663, 831, 867, 1547, 1939, 2023, 3601, 3757, 4641, 4709, 5817, 6069, 10803, 11271, 14127, 25207, 26299, 32963, 61217, 75621, 78897, 80053, 98889, 183651, 240159, 428519, 560371, 1040689, 1285557, 1681113, 3122067, 7284823, 21854469]

約数ペア:

[(1, 21854469), (3, 7284823), (7, 3122067), (13, 1681113), (17, 1285557), (21, 1040689), (39, 560371), (51, 428519), (91, 240159), (119, 183651), (221, 98889), (273, 80053), (277, 78897), (289, 75621), (357, 61217), (663, 32963), (831, 26299), (867, 25207), (1547, 14127), (1939, 11271), (2023, 10803), (3601, 6069), (3757, 5817), (4641, 4709)]