21760976

素因数分解:

$2^4\times {\mathrm{751}}^1\times {\mathrm{1811}}^1$

素因数の和:2570

約数の個数: 20

約数和(自身を含む): 42241344

約数和(自身を除く): 20480368

約数列:

[1, 2, 4, 8, 16, 751, 1502, 1811, 3004, 3622, 6008, 7244, 12016, 14488, 28976, 1360061, 2720122, 5440244, 10880488, 21760976]

約数ペア:

[(1, 21760976), (2, 10880488), (4, 5440244), (8, 2720122), (16, 1360061), (751, 28976), (1502, 14488), (1811, 12016), (3004, 7244), (3622, 6008)]