21381282

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91373}}^1$

素因数の和:91394

約数の個数: 24

約数和(自身を含む): 49890204

約数和(自身を除く): 28508922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91373, 182746, 274119, 548238, 822357, 1187849, 1644714, 2375698, 3563547, 7127094, 10690641, 21381282]

約数ペア:

[(1, 21381282), (2, 10690641), (3, 7127094), (6, 3563547), (9, 2375698), (13, 1644714), (18, 1187849), (26, 822357), (39, 548238), (78, 274119), (117, 182746), (234, 91373)]