21551596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3739}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 41469120

約数和(自身を除く): 19917524

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3739, 5764, 7478, 14956, 41129, 82258, 164516, 489809, 979618, 1959236, 5387899, 10775798, 21551596]

約数ペア:

[(1, 21551596), (2, 10775798), (4, 5387899), (11, 1959236), (22, 979618), (44, 489809), (131, 164516), (262, 82258), (524, 41129), (1441, 14956), (2882, 7478), (3739, 5764)]