21184712

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{19051}}^1$

素因数の和:19196

約数の個数: 16

約数和(自身を含む): 40009200

約数和(自身を除く): 18824488

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19051, 38102, 76204, 152408, 2648089, 5296178, 10592356, 21184712]

約数ペア:

[(1, 21184712), (2, 10592356), (4, 5296178), (8, 2648089), (139, 152408), (278, 76204), (556, 38102), (1112, 19051)]