21954105

素因数分解:

$3^3\times 5^1\times {\mathrm{162623}}^1$

素因数の和:162637

約数の個数: 16

約数和(自身を含む): 39029760

約数和(自身を除く): 17075655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 162623, 487869, 813115, 1463607, 2439345, 4390821, 7318035, 21954105]

約数ペア:

[(1, 21954105), (3, 7318035), (5, 4390821), (9, 2439345), (15, 1463607), (27, 813115), (45, 487869), (135, 162623)]