21013083

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25657}}^1$

素因数の和:25683

約数の個数: 24

約数和(自身を含む): 37358048

約数和(自身を除く): 16344965

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25657, 76971, 179599, 230913, 333541, 538797, 1000623, 1616391, 2334787, 3001869, 7004361, 21013083]

約数ペア:

[(1, 21013083), (3, 7004361), (7, 3001869), (9, 2334787), (13, 1616391), (21, 1000623), (39, 538797), (63, 333541), (91, 230913), (117, 179599), (273, 76971), (819, 25657)]