21299714127

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{273821}}^1$

素因数の和:273940

約数の個数: 32

約数和(自身を含む): 32771016960

約数和(自身を除く): 11471302833

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 387, 603, 1161, 1809, 2881, 8643, 25929, 77787, 273821, 821463, 2464389, 7393167, 11774303, 18346007, 35322909, 55038021, 105968727, 165114063, 317906181, 495342189, 788878301, 2366634903, 7099904709, 21299714127]

約数ペア:

[(1, 21299714127), (3, 7099904709), (9, 2366634903), (27, 788878301), (43, 495342189), (67, 317906181), (129, 165114063), (201, 105968727), (387, 55038021), (603, 35322909), (1161, 18346007), (1809, 11774303), (2881, 7393167), (8643, 2464389), (25929, 821463), (77787, 273821)]