21352663

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 23556960

約数和(自身を除く): 2204297

約数列:

[1, 17, 37, 83, 409, 629, 1411, 3071, 6953, 15133, 33947, 52207, 257261, 577099, 1256039, 21352663]

約数ペア:

[(1, 21352663), (17, 1256039), (37, 577099), (83, 257261), (409, 52207), (629, 33947), (1411, 15133), (3071, 6953)]