21459735

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4817}}^1$

素因数の和:4845

約数の個数: 40

約数和(自身を含む): 41974416

約数和(自身を除く): 20514681

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4817, 14451, 24085, 43353, 52987, 72255, 130059, 158961, 216765, 264935, 390177, 476883, 650295, 794805, 1430649, 1950885, 2384415, 4291947, 7153245, 21459735]

約数ペア:

[(1, 21459735), (3, 7153245), (5, 4291947), (9, 2384415), (11, 1950885), (15, 1430649), (27, 794805), (33, 650295), (45, 476883), (55, 390177), (81, 264935), (99, 216765), (135, 158961), (165, 130059), (297, 72255), (405, 52987), (495, 43353), (891, 24085), (1485, 14451), (4455, 4817)]