21903435

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4549}}^1$

素因数の和:4667

約数の個数: 24

約数和(自身を含む): 38329200

約数和(自身を除く): 16425765

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4549, 4815, 13647, 22745, 40941, 68235, 204705, 486743, 1460229, 2433715, 4380687, 7301145, 21903435]

約数ペア:

[(1, 21903435), (3, 7301145), (5, 4380687), (9, 2433715), (15, 1460229), (45, 486743), (107, 204705), (321, 68235), (535, 40941), (963, 22745), (1605, 13647), (4549, 4815)]