21293469

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 34871040

約数和(自身を除く): 13577571

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 2017, 3519, 6051, 10557, 18153, 34289, 46391, 54459, 102867, 139173, 308601, 417519, 788647, 925803, 1252557, 2365941, 7097823, 21293469]

約数ペア:

[(1, 21293469), (3, 7097823), (9, 2365941), (17, 1252557), (23, 925803), (27, 788647), (51, 417519), (69, 308601), (153, 139173), (207, 102867), (391, 54459), (459, 46391), (621, 34289), (1173, 18153), (2017, 10557), (3519, 6051)]