21760684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{494561}}^1$

素因数の和:494576

約数の個数: 12

約数和(自身を含む): 41543208

約数和(自身を除く): 19782524

約数列:

[1, 2, 4, 11, 22, 44, 494561, 989122, 1978244, 5440171, 10880342, 21760684]

約数ペア:

[(1, 21760684), (2, 10880342), (4, 5440171), (11, 1978244), (22, 989122), (44, 494561)]