21655655

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{10487}}^1$

素因数の和:10558

約数の個数: 16

約数和(自身を含む): 30205440

約数和(自身を除く): 8549785

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 10487, 52435, 73409, 367045, 618733, 3093665, 4331131, 21655655]

約数ペア:

[(1, 21655655), (5, 4331131), (7, 3093665), (35, 618733), (59, 367045), (295, 73409), (413, 52435), (2065, 10487)]