21694743

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1453}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 37222400

約数和(自身を除く): 15527657

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1453, 1659, 2133, 4359, 4977, 10171, 13077, 14931, 30513, 39231, 91539, 114787, 274617, 344361, 803509, 1033083, 2410527, 3099249, 7231581, 21694743]

約数ペア:

[(1, 21694743), (3, 7231581), (7, 3099249), (9, 2410527), (21, 1033083), (27, 803509), (63, 344361), (79, 274617), (189, 114787), (237, 91539), (553, 39231), (711, 30513), (1453, 14931), (1659, 13077), (2133, 10171), (4359, 4977)]