21351011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 23885280

約数和(自身を除く): 2534269

約数列:

[1, 11, 89, 113, 193, 979, 1243, 2123, 10057, 17177, 21809, 110627, 188947, 239899, 1941001, 21351011]

約数ペア:

[(1, 21351011), (11, 1941001), (89, 239899), (113, 188947), (193, 110627), (979, 21809), (1243, 17177), (2123, 10057)]