21568756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21313}}^1$

素因数の和:21351

約数の個数: 24

約数和(自身を含む): 42969024

約数和(自身を除く): 21400268

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21313, 42626, 85252, 234443, 468886, 490199, 937772, 980398, 1960796, 5392189, 10784378, 21568756]

約数ペア:

[(1, 21568756), (2, 10784378), (4, 5392189), (11, 1960796), (22, 980398), (23, 937772), (44, 490199), (46, 468886), (92, 234443), (253, 85252), (506, 42626), (1012, 21313)]