22721164

素因数分解:

$2^2\times {\mathrm{131}}^2\times {\mathrm{331}}^1$

素因数の和:597

約数の個数: 18

約数和(自身を含む): 40188932

約数和(自身を除く): 17467768

約数列:

[1, 2, 4, 131, 262, 331, 524, 662, 1324, 17161, 34322, 43361, 68644, 86722, 173444, 5680291, 11360582, 22721164]

約数ペア:

[(1, 22721164), (2, 11360582), (4, 5680291), (131, 173444), (262, 86722), (331, 68644), (524, 43361), (662, 34322), (1324, 17161)]