21277294

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{1061}}^1$

素因数の和:1371

約数の個数: 16

約数和(自身を含む): 32930496

約数和(自身を除く): 11653202

約数列:

[1, 2, 37, 74, 271, 542, 1061, 2122, 10027, 20054, 39257, 78514, 287531, 575062, 10638647, 21277294]

約数ペア:

[(1, 21277294), (2, 10638647), (37, 575062), (74, 287531), (271, 78514), (542, 39257), (1061, 20054), (2122, 10027)]