21065319

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3733}}^1$

素因数の和:3772

約数の個数: 32

約数和(自身を含む): 35846400

約数和(自身を除く): 14781081

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3733, 5643, 11199, 33597, 41063, 70927, 100791, 123189, 212781, 369567, 638343, 780197, 1108701, 1915029, 2340591, 7021773, 21065319]

約数ペア:

[(1, 21065319), (3, 7021773), (9, 2340591), (11, 1915029), (19, 1108701), (27, 780197), (33, 638343), (57, 369567), (99, 212781), (171, 123189), (209, 100791), (297, 70927), (513, 41063), (627, 33597), (1881, 11199), (3733, 5643)]