21977176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211319}}^1$

素因数の和:211338

約数の個数: 16

約数和(自身を含む): 44377200

約数和(自身を除く): 22400024

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211319, 422638, 845276, 1690552, 2747147, 5494294, 10988588, 21977176]

約数ペア:

[(1, 21977176), (2, 10988588), (4, 5494294), (8, 2747147), (13, 1690552), (26, 845276), (52, 422638), (104, 211319)]