21131178

素因数分解:

$2^1\times 3^1\times {\mathrm{167}}^1\times {\mathrm{21089}}^1$

素因数の和:21261

約数の個数: 16

約数和(自身を含む): 42517440

約数和(自身を除く): 21386262

約数列:

[1, 2, 3, 6, 167, 334, 501, 1002, 21089, 42178, 63267, 126534, 3521863, 7043726, 10565589, 21131178]

約数ペア:

[(1, 21131178), (2, 10565589), (3, 7043726), (6, 3521863), (167, 126534), (334, 63267), (501, 42178), (1002, 21089)]