21092085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66959}}^1$

素因数の和:66977

約数の個数: 24

約数和(自身を含む): 41783040

約数和(自身を除く): 20690955

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66959, 200877, 334795, 468713, 602631, 1004385, 1406139, 2343565, 3013155, 4218417, 7030695, 21092085]

約数ペア:

[(1, 21092085), (3, 7030695), (5, 4218417), (7, 3013155), (9, 2343565), (15, 1406139), (21, 1004385), (35, 602631), (45, 468713), (63, 334795), (105, 200877), (315, 66959)]