20211453

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2239}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 11238147

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2239, 3009, 6717, 9027, 20151, 38063, 114189, 132101, 342567, 396303, 1188909, 2245717, 6737151, 20211453]

約数ペア:

[(1, 20211453), (3, 6737151), (9, 2245717), (17, 1188909), (51, 396303), (59, 342567), (153, 132101), (177, 114189), (531, 38063), (1003, 20151), (2239, 9027), (3009, 6717)]