21181083

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13099}}^1$

素因数の和:13127

約数の個数: 24

約数和(自身を含む): 35841600

約数和(自身を除く): 14660517

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 13099, 39297, 91693, 144089, 275079, 432267, 641851, 1008623, 1925553, 3025869, 7060361, 21181083]

約数ペア:

[(1, 21181083), (3, 7060361), (7, 3025869), (11, 1925553), (21, 1008623), (33, 641851), (49, 432267), (77, 275079), (147, 144089), (231, 91693), (539, 39297), (1617, 13099)]