21076869

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 31902976

約数和(自身を除く): 10826107

約数列:

[1, 3, 11, 31, 33, 93, 121, 341, 363, 1023, 1873, 3751, 5619, 11253, 20603, 58063, 61809, 174189, 226633, 638693, 679899, 1916079, 7025623, 21076869]

約数ペア:

[(1, 21076869), (3, 7025623), (11, 1916079), (31, 679899), (33, 638693), (93, 226633), (121, 174189), (341, 61809), (363, 58063), (1023, 20603), (1873, 11253), (3751, 5619)]