21757226

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8161}}^1$

素因数の和:8237

約数の個数: 16

約数和(自身を含む): 34476288

約数和(自身を除く): 12719062

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8161, 16322, 252991, 350923, 505982, 701846, 10878613, 21757226]

約数ペア:

[(1, 21757226), (2, 10878613), (31, 701846), (43, 505982), (62, 350923), (86, 252991), (1333, 16322), (2666, 8161)]