21319364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{484531}}^1$

素因数の和:484546

約数の個数: 12

約数和(自身を含む): 40700688

約数和(自身を除く): 19381324

約数列:

[1, 2, 4, 11, 22, 44, 484531, 969062, 1938124, 5329841, 10659682, 21319364]

約数ペア:

[(1, 21319364), (2, 10659682), (4, 5329841), (11, 1938124), (22, 969062), (44, 484531)]