21813388

素因数分解:

$2^2\times {\mathrm{1171}}^1\times {\mathrm{4657}}^1$

素因数の和:5832

約数の個数: 12

約数和(自身を含む): 38214232

約数和(自身を除く): 16400844

約数列:

[1, 2, 4, 1171, 2342, 4657, 4684, 9314, 18628, 5453347, 10906694, 21813388]

約数ペア:

[(1, 21813388), (2, 10906694), (4, 5453347), (1171, 18628), (2342, 9314), (4657, 4684)]