21207516

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{160663}}^1$

素因数の和:160681

約数の個数: 24

約数和(自身を含む): 53983104

約数和(自身を除く): 32775588

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 160663, 321326, 481989, 642652, 963978, 1767293, 1927956, 3534586, 5301879, 7069172, 10603758, 21207516]

約数ペア:

[(1, 21207516), (2, 10603758), (3, 7069172), (4, 5301879), (6, 3534586), (11, 1927956), (12, 1767293), (22, 963978), (33, 642652), (44, 481989), (66, 321326), (132, 160663)]