21083265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66931}}^1$

素因数の和:66949

約数の個数: 24

約数和(自身を含む): 41765568

約数和(自身を除く): 20682303

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66931, 200793, 334655, 468517, 602379, 1003965, 1405551, 2342585, 3011895, 4216653, 7027755, 21083265]

約数ペア:

[(1, 21083265), (3, 7027755), (5, 4216653), (7, 3011895), (9, 2342585), (15, 1405551), (21, 1003965), (35, 602379), (45, 468517), (63, 334655), (105, 200793), (315, 66931)]