21597565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23099}}^1$

素因数の和:23132

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 8340035

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 23099, 115495, 254089, 392683, 1270445, 1963415, 4319513, 21597565]

約数ペア:

[(1, 21597565), (5, 4319513), (11, 1963415), (17, 1270445), (55, 392683), (85, 254089), (187, 115495), (935, 23099)]