21091313881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{779111}}^1$

素因数の和:779252

約数の個数: 16

約数和(自身を含む): 24233499648

約数和(自身を除く): 3142185767

約数列:

[1, 11, 23, 107, 253, 1177, 2461, 27071, 779111, 8570221, 17919553, 83364877, 197115083, 917013647, 1917392171, 21091313881]

約数ペア:

[(1, 21091313881), (11, 1917392171), (23, 917013647), (107, 197115083), (253, 83364877), (1177, 17919553), (2461, 8570221), (27071, 779111)]