21372142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8597}}^1$

素因数の和:8723

約数の個数: 16

約数和(自身を含む): 35286192

約数和(自身を除く): 13914050

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8597, 17194, 94567, 189134, 971461, 1942922, 10686071, 21372142]

約数ペア:

[(1, 21372142), (2, 10686071), (11, 1942922), (22, 971461), (113, 189134), (226, 94567), (1243, 17194), (2486, 8597)]