21996963

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 33976800

約数和(自身を除く): 11979837

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1319, 1853, 3957, 5559, 11871, 16677, 22423, 67269, 143771, 201807, 431313, 1293939, 2444107, 7332321, 21996963]

約数ペア:

[(1, 21996963), (3, 7332321), (9, 2444107), (17, 1293939), (51, 431313), (109, 201807), (153, 143771), (327, 67269), (981, 22423), (1319, 16677), (1853, 11871), (3957, 5559)]