21694684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4787}}^1$

素因数の和:4905

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 20133284

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4787, 9574, 19148, 52657, 105314, 210628, 493061, 986122, 1972244, 5423671, 10847342, 21694684]

約数ペア:

[(1, 21694684), (2, 10847342), (4, 5423671), (11, 1972244), (22, 986122), (44, 493061), (103, 210628), (206, 105314), (412, 52657), (1133, 19148), (2266, 9574), (4532, 4787)]