21359436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254279}}^1$

素因数の和:254293

約数の個数: 24

約数和(自身を含む): 56958720

約数和(自身を除く): 35599284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254279, 508558, 762837, 1017116, 1525674, 1779953, 3051348, 3559906, 5339859, 7119812, 10679718, 21359436]

約数ペア:

[(1, 21359436), (2, 10679718), (3, 7119812), (4, 5339859), (6, 3559906), (7, 3051348), (12, 1779953), (14, 1525674), (21, 1017116), (28, 762837), (42, 508558), (84, 254279)]