21121606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6907}}^1$

素因数の和:7059

約数の個数: 16

約数和(自身を含む): 34816320

約数和(自身を除く): 13694714

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6907, 13814, 75977, 151954, 960073, 1920146, 10560803, 21121606]

約数ペア:

[(1, 21121606), (2, 10560803), (11, 1920146), (22, 960073), (139, 151954), (278, 75977), (1529, 13814), (3058, 6907)]