21797127

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 13914873

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 237, 297, 711, 869, 929, 2133, 2607, 2787, 7821, 8361, 10219, 23463, 25083, 30657, 73391, 91971, 220173, 275913, 660519, 807301, 1981557, 2421903, 7265709, 21797127]

約数ペア:

[(1, 21797127), (3, 7265709), (9, 2421903), (11, 1981557), (27, 807301), (33, 660519), (79, 275913), (99, 220173), (237, 91971), (297, 73391), (711, 30657), (869, 25083), (929, 23463), (2133, 10219), (2607, 8361), (2787, 7821)]