21822291

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6571}}^1$

素因数の和:6624

約数の個数: 20

約数和(自身を含む): 33398904

約数和(自身を除く): 11576613

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6571, 19713, 59139, 177417, 269411, 532251, 808233, 2424699, 7274097, 21822291]

約数ペア:

[(1, 21822291), (3, 7274097), (9, 2424699), (27, 808233), (41, 532251), (81, 269411), (123, 177417), (369, 59139), (1107, 19713), (3321, 6571)]