21858291

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2053}}^1$

素因数の和:2092

約数の個数: 36

約数和(自身を含む): 39091728

約数和(自身を除く): 17233437

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2053, 3549, 6159, 10647, 14371, 18477, 26689, 43113, 80067, 129339, 186823, 240201, 346957, 560469, 1040871, 1681407, 2428699, 3122613, 7286097, 21858291]

約数ペア:

[(1, 21858291), (3, 7286097), (7, 3122613), (9, 2428699), (13, 1681407), (21, 1040871), (39, 560469), (63, 346957), (91, 240201), (117, 186823), (169, 129339), (273, 80067), (507, 43113), (819, 26689), (1183, 18477), (1521, 14371), (2053, 10647), (3549, 6159)]