21965577

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{401}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 31934880

約数和(自身を除く): 9969303

約数列:

[1, 3, 19, 31, 57, 93, 401, 589, 961, 1203, 1767, 2883, 7619, 12431, 18259, 22857, 37293, 54777, 236189, 385361, 708567, 1156083, 7321859, 21965577]

約数ペア:

[(1, 21965577), (3, 7321859), (19, 1156083), (31, 708567), (57, 385361), (93, 236189), (401, 54777), (589, 37293), (961, 22857), (1203, 18259), (1767, 12431), (2883, 7619)]