21710872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63113}}^1$

素因数の和:63162

約数の個数: 16

約数和(自身を含む): 41655240

約数和(自身を除く): 19944368

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63113, 126226, 252452, 504904, 2713859, 5427718, 10855436, 21710872]

約数ペア:

[(1, 21710872), (2, 10855436), (4, 5427718), (8, 2713859), (43, 504904), (86, 252452), (172, 126226), (344, 63113)]