21520332

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11279}}^1$

素因数の和:11342

約数の個数: 36

約数和(自身を含む): 55429920

約数和(自身を除く): 33909588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11279, 22558, 33837, 45116, 67674, 101511, 135348, 203022, 406044, 597787, 1195574, 1793361, 2391148, 3586722, 5380083, 7173444, 10760166, 21520332]

約数ペア:

[(1, 21520332), (2, 10760166), (3, 7173444), (4, 5380083), (6, 3586722), (9, 2391148), (12, 1793361), (18, 1195574), (36, 597787), (53, 406044), (106, 203022), (159, 135348), (212, 101511), (318, 67674), (477, 45116), (636, 33837), (954, 22558), (1908, 11279)]