21459924

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4621}}^1$

素因数の和:4677

約数の個数: 48

約数和(自身を含む): 56943040

約数和(自身を除く): 35483116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4621, 4644, 9242, 13863, 18484, 27726, 41589, 55452, 83178, 124767, 166356, 198703, 249534, 397406, 499068, 596109, 794812, 1192218, 1788327, 2384436, 3576654, 5364981, 7153308, 10729962, 21459924]

約数ペア:

[(1, 21459924), (2, 10729962), (3, 7153308), (4, 5364981), (6, 3576654), (9, 2384436), (12, 1788327), (18, 1192218), (27, 794812), (36, 596109), (43, 499068), (54, 397406), (86, 249534), (108, 198703), (129, 166356), (172, 124767), (258, 83178), (387, 55452), (516, 41589), (774, 27726), (1161, 18484), (1548, 13863), (2322, 9242), (4621, 4644)]