21868929

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3643}}^1$

素因数の和:3701

約数の個数: 24

約数和(自身を含む): 34107840

約数和(自身を除く): 12238911

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3643, 6003, 10929, 32787, 83789, 105647, 251367, 316941, 754101, 950823, 2429881, 7289643, 21868929]

約数ペア:

[(1, 21868929), (3, 7289643), (9, 2429881), (23, 950823), (29, 754101), (69, 316941), (87, 251367), (207, 105647), (261, 83789), (667, 32787), (2001, 10929), (3643, 6003)]