21825315

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{601}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 17184285

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 601, 807, 1345, 1803, 2421, 3005, 4035, 5409, 7263, 9015, 12105, 16227, 27045, 36315, 81135, 161669, 485007, 808345, 1455021, 2425035, 4365063, 7275105, 21825315]

約数ペア:

[(1, 21825315), (3, 7275105), (5, 4365063), (9, 2425035), (15, 1455021), (27, 808345), (45, 485007), (135, 161669), (269, 81135), (601, 36315), (807, 27045), (1345, 16227), (1803, 12105), (2421, 9015), (3005, 7263), (4035, 5409)]