21880796

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4049}}^1$

素因数の和:4253

約数の個数: 24

約数和(自身を含む): 43999200

約数和(自身を除く): 22118404

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 4049, 5404, 8098, 16196, 28343, 56686, 113372, 781457, 1562914, 3125828, 5470199, 10940398, 21880796]

約数ペア:

[(1, 21880796), (2, 10940398), (4, 5470199), (7, 3125828), (14, 1562914), (28, 781457), (193, 113372), (386, 56686), (772, 28343), (1351, 16196), (2702, 8098), (4049, 5404)]